Percent Proportion
Percent Equations
Simple Interest
Percent of Change
Discount/Markups
100

12 is what percent of 60?

20%

100

17 is what percent of 68?

25%

100

$575 at 6.25% for 7 years

Round to the nearest cent.

$251.56

100

Round to nearest tenth.  Find percent and state increase or decrease.

From 55 lb to 24 lb

-56.4%; decrease

100

Find the selling price.

tennis shoes: $85; 24% discount

$64.60

200

What is 63% of 130?

81.9

200

What percent is 42 of 38? (round to the nearest tenth of a percent)

110.5%

200

$12,750 at 5% for 10 years

Round to the nearest cent.

$6375.00

200

Round to the nearest tenth.  Find the percent and tell if increase or decrease.

From $55.75 to $75.00

34.5%; increase

200

Find the selling cost.

amplifier: $100; 135% markup

$235

300

28 is 80% of what number?

35

300

What is 75% of 200?

150

300

Find to the nearest cent if interest is compounded  annually.

$2750 at 8% for 3 years

$3464.21

300

David moved from a house that is 89 miles away from his workplace to a house that is 51 miles away from his workplace. What is the percent decrease in the distance from his home to his workplace ? (round to the nearest tenth of a percent if necessary)

43.8%

300

A surfboard hs an original price of $259.  It is on sale for 55% off the original price.  Find the sale price of the surfboard.

$116.55

400

30%of the CDs that Sam owns are classical.  If Sam owns 120 CDs, how many are classical?

36 CDs

400

55 is 20% of what number?

275

400

Find to the nearest cent if compounded annually.

$1500 at 12.5% for 2 years

$1898.44

400

Mr. David monthly salary is revised from $2500 to $2600. What percentage is the salary increased ?

4% increase

400

A laptop case has an original price of $45.  Ellen has a coupon for 35% off the original price.  Find how much Ellen paid for the laptop case.

$29.25

500

In a dance class, 70% of the students wear black ballet shoes.  There are 30 students that wear black shoes.  How man students are in the class?

43 students

500

A jersey is on sale for 50% off the original price.  A week later, the manager takes another 50% off.  Is the jersey now free?  Explain.

No, the jersey is 75% off the original price.

500

Lucas borrowed $10,500 to buy a boar.  He will pay $276.50 each month for the next 48 months.  Find the simple interest rate for his loan.

6.6%

500

Over the summer, Jackie played video games 3 hours per day. When school began in the fall, she was only allowed to play video games for half an hour per day. What is the percent decrease? Round to the nearest percent

83% decrease

500

Nan bought an $85 dress on sale at 25% off the original price.  She paid 5% sales tax on the sale.  What was her total bill?

$66.94

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