Working With Percent

Solving Proportions

100

3/10 = x/100

x = 30

200

6/25 = x/100

x = 24

300

18/30 = x/ 10

x = 6

400

45/100= 9/x

x = 20

500

12/40 = x/100

x = 30

Fractions to Percent

100

1/4

25%

200

15/20

75%

300

19/20

95%

400

1/50

2%

500

18/30

60%

Percent of a Number

100

10% of 40

4

200

15% of 80

12

300

62% of 200

124

400

3% of 80

2.4

500

9% of  70

6.3

What is the Discount?

100

10% of $60

$6

200

24% of $50

$12

300

3% of $120

$3.60

400

17%  of  $10

$1.70

500

4% of $2000

$80

Sales Price after Discount

100

A $120 bicycle after a 10% discount

$108

200

A $400 drum set after a 40% discount

$240

300

A $3.50 pound of pears after a 20% discount

$2.80

400

A $28,000 car after a 15% discount

$23,800

500

A $450 flight after a 9% discount

$409.50