Percentages

Percentage of a quantity

100

40% of 50

20

200

30% of 90

27

300

2/5 of 90

36

400

62% of 74

45.88

500

1/7 of 62000

Around 8857

Percentage increase and Decrease

100

Increase $20 by 25%

$25

200

decrease 200 mL by 40%

120 mL

300

increase 300 L by 60%

480 L

400

decrease 6 minutes by 45%

3 minutes and 18 seconds

500

decrease 20,000 by 3.45%

19,310

Find 100% if..

100

10% is 36

360

200

25% is 16

64

300

90% is 81

90

400

45% is 36

80

500

97% is 41

42.26

Find __% if __% is..

100

Find 10% if 5% is 9.

18

200

Find 25% if 75% is 60

20

300

Find 70% if 14% is 3.

15

400

Find 17% if 68% is 12.

3

500

Find 19% if 133% is 49.

7

Word Problems 2

100

When Jana and her horse win a competition, she receives 90% of the money. The previous week, her and her horse won a competition and received $10,000. How much has Jana received?

Jana received $9,000.

200

Seba brought money with her to the mall. She used 40% of it on makeup. If she used $120 of the money on makeup, how much money did she bring to the mall?

She brought $300 to the mall.

300

Aroua brought chocolate bars to the class party. Hamna ate 3% of the chocolate bars. if Hamna ate 5 chocolate bars, how many chocolate bars did Aroua bring?

Aroua brought around 165 cookies.

400

Elitia and Ms. Sara went shopping because Elitia got a 99% out of 137 marks. how many marks did Elitia score?

135.63

500

Yasmin scored a 98% out of 73 marks. What mark did she score?

she scored a 71.54