Converting between Fractions, decimals and percentages
Finding a percentage of an amount
Percent of Increase
Percent of Decrease
Discounts, taxes, tips
100

3/5 of a fruit punch is orange juice.

What percentage of the fruit punch is orange juice?

60%

100

10% of 30

3

100

Percent of change from 60 to 78?

30% increase

100

Percent of change from 12 to 6?

50% decrease

100

Lunch at restaurant $53. 18% tip.

What is the tip?

$9.54

200

18% of a class wear glasses.

What fraction (in its simplest form) wears glasses?

9/50

200

5% of 50

2.5

200

Percent of change from 20 to 34?

70%

200

Percent of change from 50 to 12?

76% decrease

200

Computer priced at $881. Tax is 6%. What is total price of computer?

$933.86

300

Camlough Rovers play 20 matches and won 17 of them.

What percentage of the matches did they win?

85%

300

15% of 80

12
300

Percent of change from 50 to 100?

100% increase

300

Percent of change from 8 to 6?

25% decrease

300

Diamond ring priced at $4000. Discount of 20%. What is sale price of ring?

$3200

400

What is 5% as a decimal?

0.05

400

4% of 720

28.8

400

Increase 480 by 1%

484.8

400

Percent of change from 100 to 50?

50% decrease

400

Car for $30,000. 10% discount. What is selling price of car?

$27,000

500

What is 615% as a decimal?

6.15

500

0.5% of 240

1.2

500

Percent of change from 36 to 72?

100% increase

500

Percent of change from 240 to 24

90% decrease

500

House for $900,000. Mark up of 10%. What is total price of house?

$990,000

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