Chapter 4 - Percent

Conversions

100

Convert to a decimal:

219%

2.19

200

Convert to a decimal:

3 9/10

3.9

300

Express as a decimal:

23 3/4

23.75

400

Express as a percent:

3.85

385%

500

Express as a decimal AND a fraction:

The store's sales increased by 180%

1.80

9/5 

Percent of a number

100

115% of 230

264.5

200

80 3/4% of 50

40.4

300

500% of 0.02

0.1

400

0.05% of 1 000 000

500

500

A photocopier increased a diagram to 250% of the original size. What is the enlarged length if the original length was 2.5cm?

6.25cm

Discount

100

A copy of Osmosis Jones is on sale for 45% off. The original price was 14.99. How much is it on sale for? (before tax)

$8.24

200

The regular price of a jacket is $115.00 What is the sale price after a discount of 20%?

$92.00

300

What is the discount if %15 is taken off the regular price of $200.00?

$30.00

400

A flamingo is up for adoption for $2000.00

You can save 12% by bringing her home today! How much is she?

$1760

500

Our class can buy a new coffee maker for $800.

On Monday it is on sale for 20% off.  On Tuesday it is on sale for an additional 15% off. How much does it cost before tax?

$544

What a steal!

Tax

100

If the sales tax rate is 7.25% in California, then how much would you pay in Los Angeles for a pair of shoes that cost $39.00?

$41.83

200

A roll of plastic electrical tape costs $2.79. If the sales tax rate is 5%, then how much sales tax is being charge?

$0.14

300

The price of a new car is $29,990. If the sales tax rate is 6.5%, then what is the total cost for the car including tax?

$31,939.35

400

Graphing calculator for highschool:

Price: $95
Sales tax rate:  6%

What is the total cost?

$100.70

500

Laptop 

Price: $640
Sales tax rate:  8.5%

What is the total cost?

$694.40

Miscellaneous

100

A tea set was bought for $ 528 after getting a discount of 12% on its marked price. Find the marked price of the tea set.

$600

200

30% of 117 is what?

35.1

300

What is 270% of 60?

162

400

On a math test, the following number of students had the following scores: 1 received a 67, 2 received a 69, 3 received an 82, 4 received a 32, 5 received a 59, 6 received a 26, 7 received a 73, 8 received a 62, and 9 received a 39. If 65 is considered a passing grade, about what percent of students passed the test?

1. 20%
2. 29%
3. 60%
4. 90%

2. 29%

500

35% of the dogs at a dog show are German shepherds. 10% of the dogs are poodles, 45% of the dogs are spaniels, and the rest were retrievers. Which of these statements is not true?

1. There are more spaniels than any other type of dog at the show.
2. Retrievers account for 15% of the dogs at the show.
3. Retrievers and German shepherds account for 45% of the dogs at the show.
4. There are more German shepherds than retrievers at the show.

• Retrievers account for 15% of the dogs at the show.