Percent of a number
Percent Proportion
Percent Equation
Percent of Change and Percent Error
Tax, Tips, Markups, Discounts, and Interest
100

8% of 50

4

100

What percent of $90 is $9?

10%

100

What number is 88% of 300?

264

100

What is the percent of change if the temperature started at 30º and then fell to 24º? Is this a percent increase or decrease? Round to the nearest whole percent

20% decrease

100

A store buys notebooks for $2.95 and sells them with a 5% markup. What is the selling price of the notebooks?

$3.10

200

95% of 40

38

200

What number is 2% of 35?

0.7

200

24 is what percent of 120?

20%

200

If Marvin started with $126 in his bank account and at the end of the month he had $150 in it, what was the percent of change? Was it a percent increase or decrease? Round to the nearest whole percent

19% increase

200

A trip to the spa cost $42. If there is a 6% tax and the customer wants to leave a 20% tip, how much does the customer pay total?

$52.92

300

110% of 70

77

300

62 is 90.5% of what number?

68.5

300

3 is 12% of what number?

25

300

Jessie estimates the weight of her cat to be 10 pounds. The actual weight of the cat is 13.75 pounds. Find her percent error. Round to the nearest whole percent

27%

300

A store is offering a 20% discount on sneakers that originally cost $60. If there is a 8% sales tax, how much would someone have to pay to buy the sneakers?

$51.84

400

Mackenzie wants to buy a backpack that costs $50. If the tax rate is 6.5%, how much tax will she pay?

$3.25

400

Rice Krispies contains 10 cups of cereal per package. If Captain Crunch contains 30% more cereal, how many more cups of cereal are in one package of Captain Crunch?

3 cups

400

A local bakery sold 60 loaves of bread in one day. If 65% of these were sold in the afternoon, how many loaves were sold in the afternoon?

39 loaves

400

Mr. Jahns predicts that Jadarian Price will rush for 150 yards when he returns to the Seahawks. If he ends up rushing for 175 yards, what was Mr. Jahns's percent error? Round to the nearest whole percent

14%

400

The Charles family took a loan out for $1,200 with an interest rate of 19%. How much money will they owe in interest after one month?

$19

500

Over his career, Marshawn Lynch rushed for 11,383 yards in the regular season and playoffs. If 0.34% of his total rushing yards came from the Superbowl game he won versus the Denver Broncos, how many yards did he rush for in this game? Round to the nearest whole yard.

39 yards

500

What percent of 300 is 0.6?

0.2%

500
If you earn $6 per hour at your part-time job, what will your new hourly rate be after receiving a 2.5% raise?

$6.15

500

CJ Carr threw for 963 yards in the month of September. In the month of October, he has thrown for 676 yards. What was his percent of change in passing yards from September to October? Is it a percent increase or decrease? Round to the nearest whole percent.

30% decrease

500

Kevin G received a loan from the bank for $4,500. He plans on paying off the loan in 4 years. At the end of the 4 years, Kevin G will have paid $900 in interest. What is the simple interest rate on the bank loan?

5%