Math 8: Percents & Tax/Discount Review

Finding % of a Number

100

Find 14% of 66

9.24

200

Find 125% of 18

22.5

300

Find 0.5% of 40

0.20

400

Find 0.0425% of 1250

0.53125

% Change

100

A pizza slice was $4 and it increased to $7. Find the percent change 

75%

200

A car was $14,000 and decreased to $8,000. Find percent change. 

43%

300

A house was $250,000 and increased to $925,000. Find the percent change. 

270%

Fraction, Decimal, Percent Conversions

100

Convert the following decimals to percentages

0.18

1.95 

11.14

0.025

18%

195%

1114%

2.5%

200

Write the following fraction in the "proper no decimal form"

2.5/100

25/1000

300

Convert the following fractions to percents

16/25

9/10

3/5

64%

90%

60%

400

Convert the following percents to decimals 

66%

254%

0.25%

0.66

2.54

0.0025

___% of a number =___

100

15% of ____ is 100

666.7

200

195% of ____ is 68

34.9

300

0.15% of ____ is 1943

1295333.3

Tax Calculations

100

A $45 shirt is bought in Alberta (5% tax). Calculate the final price. 

$47.25

200

A $125 game is discounted by 25% and sold in Alberta (5% tax). Calculate the final price. 

$98.44

300

A $16 cake is sold in BC (5% and 7% taxes). Find final price. 

$17.92

400

A Hoodie is $425 and on sale for 40% off. Calculate total price in Manitoba (5%, 9%) 

$290.7