Question 1

Convert the following decimal to percent: .007

Accepted Answer

Move the decimal point two places to the right and add the percent symbol.

Question 2

Solve for base (round to nearest tenth):
67 is 30% of ________

Accepted Answer

Divide 67 by .3.

Question 3

Convert to fraction (round to lowest terms as needed): 1/8%

Accepted Answer

Remove the percent symbol and multiply the fraction by 1/100.

Question 4

The price of a hamburger increased from $1.10 to $1.59. What percent did the price increase? (Round to nearest hundredth or hundredth percent as needed.)

Accepted Answer

Divide the difference in price which would be $.49 divided by original price of $1.10. Then convert the decimal result into percent by moving the decimal point two places to the right, round to the nearest hundredth of a percent, and add the percent symbol.

Question 5

Convert the following decimal to percent: 9

Accepted Answer

Move the decimal point two places to the right and add the percent symbol.

Question 6

Natalie Five puts down $800 on a car. Natalie still owes 90% of the purchase price. What was the price she bought the car for? (Round to nearest hundredth or hundredth percent as needed.)

Accepted Answer

Divide 800 by .10, the difference of 100% and 90%.

Question 7

Solve for portion: 40% of 12,000

Accepted Answer

Multiply .4 times 12,000.

Question 8

Convert to fraction (round to lowest terms as needed): 81 1/4%.

Accepted Answer

Remove the percent symbol, convert the mixed fraction to an improper fraction, multiply by 1/100, and reduce to lowest terms. Use the Step Approach from Chapter Two when reducing to lowest terms.

Question 9

Juan Sevez buys a new computer priced at $650. He makes a down payment of 15%. How much of the purchase is not paid for? (Round to nearest hundredth or hundredth percent as needed.)

Accepted Answer

Multiply 650 by .85.

Question 10

Convert the following decimal to percent: 15.82

Accepted Answer

Move the decimal point two places to the right and add the percent symbol.

Question 11

Convert to percent: 4/5

Accepted Answer

Move the decimal point two places to the right and add the percent symbol.

Question 12

In 2018, the cost of electricity at Pete's Diner increased by 25%. In 2017, the cost to Pete was $410.50. What is the total cost of electricity to Pete in 2018? (Round to nearest hundredth or hundredth percent as needed.)

Accepted Answer

Multiply 410.50 times 1.25.

Question 13

Convert to decimal: 5 3/4%

Accepted Answer

Convert the fraction to decimal, remove the percent symbol, and move the decimal point two places to the left.

Question 14

Solve for portion: 12% of 600

Accepted Answer

Multiply .12 times 600.

Question 15

Convert to percent: 7.853

Accepted Answer

Move the decimal point two places to the right and add the percent symbol.

Question 16

Convert to percent (to nearest tenth of a percent): 5/6

Accepted Answer

Convert the fraction to decimal, move the decimal point two places to the right, and add the percent symbol. Once in percent form, round the answer to the nearest tenth of a percent.

Question 17

Convert to decimal: 1/5%

Accepted Answer

Convert the fraction to decimal, remove the percent symbol, and move the decimal point two places to the left.

Question 18

Solve for rate (round to nearest tenth percent):
66 is ________% of 900

Accepted Answer

Divide 66 by 900, and then convert the decimal result into percent by moving the decimal point two places to the right and adding the percent symbol.

Question 19

Of 3,600 students surveyed, 40% eat cold pizza for breakfast. How many students do not eat cold pizza for breakfast? (Round to nearest hundredth or hundredth percent as needed.)

Accepted Answer

Multiply 3,600 by .60, the difference of 100% and 40%.

Question 20

Convert the following decimal to percent: .193

Accepted Answer

Move the decimal point two places to the right and add the percent symbol.

Quiz 6: Percents and Their Applications

Convert the following decimal to percent: .007

Solve for base (round to nearest tenth): 67 is 30% of ________

Convert to fraction (round to lowest terms as needed): 1/8%

The price of a hamburger increased from $1.10 to $1.59. What percent did the price increase? (Round to nearest hundredth or hundredth percent as needed.)

Convert the following decimal to percent: 9

Natalie Five puts down $800 on a car. Natalie still owes 90% of the purchase price. What was the price she bought the car for? (Round to nearest hundredth or hundredth percent as needed.)

Solve for portion: 40% of 12,000

Convert to fraction (round to lowest terms as needed): 81 1/4%.

Juan Sevez buys a new computer priced at $650. He makes a down payment of 15%. How much of the purchase is not paid for? (Round to nearest hundredth or hundredth percent as needed.)

Convert the following decimal to percent: 15.82

Convert to percent: 4/5

In 2018, the cost of electricity at Pete's Diner increased by 25%. In 2017, the cost to Pete was $410.50. What is the total cost of electricity to Pete in 2018? (Round to nearest hundredth or hundredth percent as needed.)

Convert to decimal: 5 3/4%

Solve for portion: 12% of 600

Convert to percent: 7.853

Convert to percent (to nearest tenth of a percent): 5/6

Convert to decimal: 1/5%

Solve for rate (round to nearest tenth percent): 66 is ________% of 900

Of 3,600 students surveyed, 40% eat cold pizza for breakfast. How many students do not eat cold pizza for breakfast? (Round to nearest hundredth or hundredth percent as needed.)

Convert the following decimal to percent: .193