Convert between fractions, decimals, and percents.
Calculate tax, tip, and discount.
Use the percent proportion.
Calculate percent change.
Calculate simple interest.
100

Fractions → Decimals 

17/25

0.68

100

Fill in the blank:

Sales tax and tip are ____ to the original price and Discounts are ____ from the original price.

added and subtracted

100

What is 32% of 300?

96

100

From 12 ft to 23 ft

92% increase

100

Ben deposited $6,500 in a simple interest account that pays 2.8% interest annually. If Ben leaves the money in the account for 12 years, how much interest will he earn?

$2184

200

Decimals → Percents

0.385

38.5%

200

An item is regularly priced at $540.  The sales tax rate is 6%  How much money is the tax?

$32.40

200

22 is 44% of what number?

50

200

From 188 m to 42 m

78% decrease

200

Hector took out a small loan of $900 for 18 months. The simple interest rate on the loan was 10.5%. How much will he pay in interest on the loan?

$141.75

300

Percents  →  Decimals 

4.75%

0.0475

300

How much would you spend at a restaurant if your bill is $45.60 and you leave an 18% tip?

$53.81

300

What percent of 50 is 4?

8%

300

From 139 minutes to 385 minutes

177% increase

300

Steph took out a simple interest loan that charges 8.5% interest annually. If her original loan amount was for $30,000 and she is paying off the loan over 20 years, how much will she pay altogether?

$81,000

400

Fractions → Percents

5/16

31.25%

400

An item is regularly priced at $25. It is on sale for 30% off the regular price.

With the discount, what is the sale price of the item?

$17.50

400

40% of what number is 8?

20

400

From 4359 ft to 5377 ft

23% increase

400

Todd takes out a student loan for $25,000. The annual simple interest rate on the loan is 7.75%. How much will he owe, including interest, after 5 years. 

What is $34,687.50
500

Percents → Decimals → Fractions  

27.5%

0.275 & 11/40

500

The Richards family bought some new camping gear at REI that totaled $318.50. If they receive a 30% discount and sales tax is 7.5%, what is their total bill?

$239.67

500

You have paid your car loan down to $8750, which is 43% of the original loan amount. What was the original loan amount?

$20,348.84

500

A house was purchased in 2005 for $150,000. It is now valued at $135,000. What is the rate (percent) of depreciation for the house?

10% depreciation

500

Derek deposited $3,000 in a compound interest account earning 4.5% for 2 years. How much will he have in his account, including the compound interest?

what is $3276.08

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