Question 1

Solve the problem. Round to the nearest hundredth, if necessary.
-What number is 140% of 389?

Accepted Answer

To find 140% of 389, you multiply 389 by 1.40 (since 140% is the same as 1.40 in decimal form). Doing the math, 389 * 1.40 = 544.6.

Question 2

Solve.
-

Accepted Answer

The answer of Solve.
-
...

Question 3

Solve.
-a + b = s + r for s

Accepted Answer

The answer of Solve.
-a + b = s + r...

Question 4

Solve the problem. Round to the nearest tenth of a percent.
-961 is what percent of 1679?

Accepted Answer

To find what percent 961 is of 1679, divide 961 by 1679 and then multiply by 100. $ \frac{961}{1679} \times 100 \approx 57.2\% $.

Question 5

Solve.
-V =  Bh for h

Accepted Answer

The answer of Solve.
-V =  Bh for h
...

Question 6

Solve the problem. Round to the nearest hundredth, if necessary.
-What is 84% of 245?

Accepted Answer

To find 84% of 245, multiply 245 by 0.84: 245 * 0.84 = 205.8.

Question 7

Solve.
-A =  bh for h

Accepted Answer

The answer of Solve.
-A =  bh for h
...

Question 8

Solve the problem. Round to the nearest hundredth, if necessary.
-What is 40% of 1111?

Accepted Answer

40% of 1111 is calculated as (40/100) * 1111 = 444.4.

Question 9

Solve.
-F =  C + 32 for C

Accepted Answer

The answer of Solve.
-F =  C + 32 for...

Question 10

Solve the problem. Round to the nearest hundredth, if necessary.
-15 is 5% of what number?

Accepted Answer

To find the number, divide 15 by 0.05 (which is 5% as a decimal). 15 ÷ 0.05 = 300.

Question 11

Solve.
-

Accepted Answer

The answer of Solve.
-
...

Question 12

Solve the problem. Round to the nearest hundredth, if necessary.
-50% of what number is 87?

Accepted Answer

To find the number of which 87 is 50%, you divide 87 by 0.50 (or 50/100), which gives you 174.

Question 13

Solve the problem. Round to the nearest hundredth, if necessary.
-77 is 90% of what number?

Accepted Answer

To find the number that 77 is 90% of, you divide 77 by 0.90, which gives you 85.56.

Question 14

Solve the problem. Round to the nearest hundredth, if necessary.
-What number is 4000% of 429?

Accepted Answer

To find 4000% of 429, convert the percentage to a decimal by dividing by 100, which gives 40. Then multiply 429 by 40: 429 * 40 = 17,160.

Question 15

Solve the problem. Round to the nearest hundredth, if necessary.
-What is 5% of 500?

Accepted Answer

5% of 500 is calculated as (5/100) * 500 = 25.

Question 16

Solve the problem. Round to the nearest tenth of a percent.
-934 is what percent of 789?

Accepted Answer

To find what percent 934 is of 789, divide 934 by 789 and multiply by 100. $ \frac{934}{789} \times 100 \approx 118.4\% $.

Question 17

Solve the problem. Round to the nearest hundredth, if necessary.
-80 is 111% of what number?

Accepted Answer

To find the original number when given a percentage of it, you divide the given number by the percentage (in decimal form). Here, 80 is 111% of the original number, so you divide 80 by 1.11 (since 111% as a decimal is 1.11). This gives you 80 / 1.11 = 72.07.

Question 18

Solve the problem. Round to the nearest hundredth, if necessary.
-What is 10% of 700?

Accepted Answer

10% of 700 is calculated as (10/100) * 700 = 70.

Question 19

Solve the problem. Round to the nearest hundredth, if necessary.
-What number is 8.7% of 41?

Accepted Answer

To find 8.7% of 41, multiply 41 by 0.087 (8.7% expressed as a decimal). This equals 3.567, which rounds to 3.57.

Question 20

Solve the problem. Round to the nearest hundredth, if necessary.
-45% of what number is 75?

Accepted Answer

To find the number that 45% of it equals 75, you set up the equation 0.45 * x = 75. Solving for x gives x = 75 / 0.45, which equals 166.67 when rounded to the nearest hundredth.

Quiz 3: Solving Equations and Inequalities

Solve the problem. Round to the nearest hundredth, if necessary. -What number is 140% of 389?

Solve. -

Solve. -a + b = s + r for s

Solve the problem. Round to the nearest tenth of a percent. -961 is what percent of 1679?

Solve. -V = Bh for h

Solve the problem. Round to the nearest hundredth, if necessary. -What is 84% of 245?

Solve. -A = bh for h

Solve the problem. Round to the nearest hundredth, if necessary. -What is 40% of 1111?

Solve. -F = C + 32 for C

Solve the problem. Round to the nearest hundredth, if necessary. -15 is 5% of what number?

Solve. -

Solve the problem. Round to the nearest hundredth, if necessary. -50% of what number is 87?

Solve the problem. Round to the nearest hundredth, if necessary. -77 is 90% of what number?

Solve the problem. Round to the nearest hundredth, if necessary. -What number is 4000% of 429?

Solve the problem. Round to the nearest hundredth, if necessary. -What is 5% of 500?

Solve the problem. Round to the nearest tenth of a percent. -934 is what percent of 789?

Solve the problem. Round to the nearest hundredth, if necessary. -80 is 111% of what number?

Solve the problem. Round to the nearest hundredth, if necessary. -What is 10% of 700?

Solve the problem. Round to the nearest hundredth, if necessary. -What number is 8.7% of 41?

Solve the problem. Round to the nearest hundredth, if necessary. -45% of what number is 75?