Question 1

Four years ago Ollie deposited some money into an account. He earned 5 percent interest on this account and now it has a balance of $303.88. About how much money did Ollie deposit into his account when he opened it?
A) $210
B) $220
C) $240
D) $250

Accepted Answer

The answer of Four years ago Ollie deposited some money...

Question 2

Tonya put $250 into an account three years ago. The first year he earned 6 percent interest, the second year 7 percent, and the third year 8 percent. About how about much does Tonya have in her account now?
A) $302.50
B) $306.23
C) $308.67
D) $309.39

Accepted Answer

The answer of Tonya put $250 into an account three...

Question 3

On May 25, 1980 three pals graduated from high school, pooled together $3,000 and put the money into an account promising to pay 8% for the next 30 years. On May 25, 2010 they withdrew all the money from the account. To the nearest dollar, how much did they withdraw?
A) $25,962
B) $27,297
C) $30,188
D) None of the above are correct to the nearest dollar.

Accepted Answer

To find the amount of money in the account after 30 years, we use the formula for compound interest:

A = P(1 + r/n)^(nt)

where A is the amount of money in the account after t years, P is the initial amount invested, r is the annual interest rate (as a decimal), n is the number of times the interest is compounded per year, and t is the number of years the money is invested.

In this case, P = $3,000, r = 0.08, n = 1 (compounded annually), and t = 30. Plugging in these values, we get:

A = $3,000(1 + 0.08/1)^(1*30) = $30,188.

To the nearest dollar, the pals withdrew $30,188 from the account. Therefore, the best choice is C.

Question 4

Your accountant tells you that if you can continue to earn the current interest rate on your balance of $500 for ten years, you will have about $983.58. If your accountant is correct, what is the current rate of interest?
A) 5 percent
B) 6 percent
C) 7 percent
D) 8 percent

Accepted Answer

We can use the formula for compound interest to solve this problem:

A = P(1 + r/n)^(nt)

where:
- A is the future value of the investment
- P is the principal (initial balance)
- r is the annual interest rate (as a decimal)
- n is the number of times interest is compounded per year
- t is the time period in years

Plugging in the given values, we get:

983.58 = 500(1 + r/1)^(1*10)

Simplifying and isolating for r, we get:

(983.58/500)^(1/10) - 1 = r

r ≈ 0.0712 or 7.12%

Therefore, the answer is C, 7 percent.

Question 5

Three people go to the bank to cash in their accounts. Amy had her money in an account for 25 years at 4 percent interest. Bill had his money in an account for 20 years at 5 percent interest. Celia had her money in an account for 5 years at 20 percent interest. If each of them originally deposited $500 in their accounts, which of them gets the most money when they cash in their accounts?
A) Amy
B) Bill
C) Celia
D) They each get the same amount.

Accepted Answer

The answer of Three people go to the bank to...

Question 6

Robert put $15,000 into an account with a fixed interest rate two years ago and now the account balance is $16,917.66. What rate of interest did Robert earn?
A) 4.5 percent
B) 5.4 percent
C) 6.2 percent
D) 8.0 percent

Accepted Answer

We can use the formula for compound interest:
A = P(1 + r/n)^(nt)
where A is the end balance, P is the principal (starting balance), r is the interest rate, n is the number of times interest is compounded per year, and t is the time in years.

Plugging in the given values, we get:
16,917.66 = 15,000(1 + r/12)^(2*12)
Simplifying and solving for r, we get:
r = 0.062, or 6.2% (rounded to one decimal place)

Therefore, the answer is C, 6.2 percent.

Question 7

Daniel has $300 in a bank account. Some years ago he put $213.20 into this account, and it has earned 5 percent interest every year since then. How many years ago did Daniel open his account?
A) 4 years
B) 5 years
C) 6 years
D) 7 years

Accepted Answer

The answer of Daniel has $300 in a bank account....

Question 8

Your financial advisor tells you that if you earn the historical rate of return on a certain mutual fund, then in three years your $20,000 will grow to $23,152.50. What rate of interest does your financial advisor expect you to earn?
A) 5 percent
B) 6 percent
C) 7 percent
D) 8 percent

Accepted Answer

The answer of Your financial advisor tells you that if...

Question 9

The price of a bond is equal to the sum of the present values of its future payments. Suppose a certain bond pays $50 one year from today and $1,050 two years from today. What is the price of the bond if the interest rate is 5 percent?
A) $1,050.00
B) $1,045.35
C) $1,000.00
D) $945.35

Accepted Answer

The answer of The price of a bond is equal...

Question 10

Jorge deposited $1,000 into an account three years ago. The first two years he earned 5 percent interest; the third year he earned 6 percent interest. How much money does Jorge have in his account today?
A) $1,157.90
B) $1,168.65
C) $1,176.00
D) None of the above are correct to the nearest cent.

Accepted Answer

First, we need to calculate the interest earned on the first two years:
$1,000 x 0.05 x 2 = $100
Then, we need to calculate the interest earned on the third year:
$1,000 x 0.06 = $60
Now, we add the interest earned to the original deposit:
$1,000 + $100 + $60 = $1,160
Therefore, the closest answer is B) $1,168.65, since it is the closest to $1,160 when rounded to the nearest cent.

Question 11

Zoey wants to have about $750,000 when she retires in 10 years. She has $300,000 to deposit now. At which of the following interest rates would Zoey's deposit come closest to $750,000 after 10 years?
A) 9.6 percent
B) 9.9 percent
C) 10.2 percent
D) 10.5 percent

Accepted Answer

The answer of Zoey wants to have about $750,000 when...

Question 12

Imagine that two years ago you inherited $20,000 and put it into an account paying a fixed 8 percent annual interest rate. How much money do you have in your account now?
A) $22,880.00
B) $23,200.00
C) $23,232.00
D) $23,328.00

Accepted Answer

The answer of Imagine that two years ago you inherited...

Question 13

Anna deposited $10,000 into an account three years ago. The first year she earned 12 percent interest, the second year she earned 8 percent interest, and the third year she earned 4 percent interest. How much money does she have in her account today?
A) $12,579.84
B) $12,596.80
C) $12,597.12
D) None of the above are correct to the nearest cent.

Accepted Answer

The answer of Anna deposited $10,000 into an account three...

Question 14

Your accountant tells you that if you can continue to earn the current interest rate on your balance of $750 for the next three years, you will have $944.78 in your account. If your accountant is correct, then what is the current interest rate?
A) 6 percent
B) 7 percent
C) 8 percent
D) 10 percent

Accepted Answer

Using the formula for compound interest: Final Amount = Principal x (1 + Rate/100)^Time

Plugging in the given values: 
$944.78 = $750 x (1 + Rate/100)^3

Solving for Rate:
(1 + Rate/100)^3 = $944.78/$750
(1 + Rate/100)^3 = 1.25970667
Taking the cube root of both sides:
1 + Rate/100 = 1.08338465
Rate/100 = 0.08338465
Rate = 8.338465

Rounding to the nearest hundredth, the current interest rate is 8.34%, which corresponds to choice C.

Question 15

When he was 18, Hussam put $100 into an account at an interest rate of 8 percent. He now has $158.69 in this account. For how many years did Hussam leave this money in his account?
A) 5 years
B) 6 years
C) 7 years
D) 8 years

Accepted Answer

The answer of When he was 18, Hussam put $100...

Question 16

You are given three options. You may have the balance in an account that has been collecting 5 percent interest for 20 years, the balance in an account that has been collecting 10 percent interest for 10 years, or the balance in an account that has been collecting 20 percent interest for five years. Each account had the same original balance. Which account now has the lowest balance?
A) the first one
B) the second one
C) the third one
D) They all have the same balance.

Accepted Answer

The balance in the account that has been collecting 20 percent interest for five years will have the lowest balance. This is because it has the highest interest rate and the shortest time frame. In contrast, the account that has been collecting 5 percent interest for 20 years has the lowest interest rate and the longest time frame, so it will have the highest balance. The account that has been collecting 10 percent interest for 10 years is in between and does not have the lowest balance.

Question 17

Felix deposited $500 into an account two years ago. The first year he earned 3 percent interest and the second year he earned 5 percent interest. How much money does Felix have in his account now?
A) $540.75
B) $540.80
C) $540.85
D) None of the above are correct to the nearest cent.

Accepted Answer

The answer of Felix deposited $500 into an account two...

Question 18

Veronica deposited $1,000 into an account two years ago. The first year she earned 7 percent interest; the second year she earned 5 percent. How much money does Veronica have in her account today?
A) $1,133.31
B) $1,120.00
C) $1,123.50
D) None of the above are correct to the nearest cent.

Accepted Answer

The answer of Veronica deposited $1,000 into an account two...

Question 19

Two years ago Lenny put some money into an account. He earned 6 percent interest on this account and now he has about $1,000. About how much did Lenny deposit into his account two years ago?
A) about $860
B) about $870
C) about $880
D) about $890

Accepted Answer

The answer of Two years ago Lenny put some money...

Question 20

Your accountant tells you that if you can continue to earn the current interest rate on your balance of $800 for the next two years you will have $898.88 in your account. If your accountant is correct, then what is the current interest rate?
A) 6 percent
B) 7 percent
C) 8 percent
D) 9 percent

Accepted Answer

We can use the formula for compound interest to solve this problem:

A = P(1 + r/n)^(nt)

where A is the final amount, P is the initial balance, r is the interest rate, n is the number of times interest is compounded per year, and t is the time period in years.

In this case, we know that P = $800, A = $898.88, n = 1 (annual compounding), and t = 2 years. We can solve for r by plugging in these values and solving for r:

$898.88 = $800(1 + r/1)^(1*2)
$898.88/$800 = (1 + r)^2
1.1236 = (1 + r)^2
sqrt(1.1236) = 1 + r
1.0604 = 1 + r
r = 0.0604 = 6.04%

Rounding to the nearest whole percent, we get an answer of 6 percent, which corresponds to choice A. Therefore, A is the best choice.

Quiz 19: The Basic Tools of Finance

Four years ago Ollie deposited some money into an account. He earned 5 percent interest on this account and now it has a balance of $303.88. About how much money did Ollie deposit into his account when he opened it?

Tonya put $250 into an account three years ago. The first year he earned 6 percent interest, the second year 7 percent, and the third year 8 percent. About how about much does Tonya have in her account now?

On May 25, 1980 three pals graduated from high school, pooled together $3,000 and put the money into an account promising to pay 8% for the next 30 years. On May 25, 2010 they withdrew all the money from the account. To the nearest dollar, how much did they withdraw?

Your accountant tells you that if you can continue to earn the current interest rate on your balance of $500 for ten years, you will have about $983.58. If your accountant is correct, what is the current rate of interest?

Robert put $15,000 into an account with a fixed interest rate two years ago and now the account balance is $16,917.66. What rate of interest did Robert earn?

Daniel has $300 in a bank account. Some years ago he put $213.20 into this account, and it has earned 5 percent interest every year since then. How many years ago did Daniel open his account?

Your financial advisor tells you that if you earn the historical rate of return on a certain mutual fund, then in three years your $20,000 will grow to $23,152.50. What rate of interest does your financial advisor expect you to earn?

The price of a bond is equal to the sum of the present values of its future payments. Suppose a certain bond pays $50 one year from today and $1,050 two years from today. What is the price of the bond if the interest rate is 5 percent?

Jorge deposited $1,000 into an account three years ago. The first two years he earned 5 percent interest; the third year he earned 6 percent interest. How much money does Jorge have in his account today?

Zoey wants to have about $750,000 when she retires in 10 years. She has $300,000 to deposit now. At which of the following interest rates would Zoey's deposit come closest to $750,000 after 10 years?

Imagine that two years ago you inherited $20,000 and put it into an account paying a fixed 8 percent annual interest rate. How much money do you have in your account now?

Anna deposited $10,000 into an account three years ago. The first year she earned 12 percent interest, the second year she earned 8 percent interest, and the third year she earned 4 percent interest. How much money does she have in her account today?

Your accountant tells you that if you can continue to earn the current interest rate on your balance of $750 for the next three years, you will have $944.78 in your account. If your accountant is correct, then what is the current interest rate?

When he was 18, Hussam put $100 into an account at an interest rate of 8 percent. He now has $158.69 in this account. For how many years did Hussam leave this money in his account?

Felix deposited $500 into an account two years ago. The first year he earned 3 percent interest and the second year he earned 5 percent interest. How much money does Felix have in his account now?

Veronica deposited $1,000 into an account two years ago. The first year she earned 7 percent interest; the second year she earned 5 percent. How much money does Veronica have in her account today?

Two years ago Lenny put some money into an account. He earned 6 percent interest on this account and now he has about $1,000. About how much did Lenny deposit into his account two years ago?

Your accountant tells you that if you can continue to earn the current interest rate on your balance of $800 for the next two years you will have $898.88 in your account. If your accountant is correct, then what is the current interest rate?