Fractions
Decimals
Percent
Discounts
Linear Functions
100

Simplify

20/80

1/4

100

Convert to a decimal

2/5

0.4

100

Convert to a percent

0.2

20%

100

10% of $250

$25

100

y=3x+4

x=3

Find y

y=13

200

Simplify

4/12

1/3

200

Convert to a decimal

1/10

0.1

200

Convert to a percent

0.35

35%

200

25% of $300

$75

200

y=5x-12

x=5

Find y

y=13

300

Simplify

5/40 + 10/40

3/8

300

Convert to a decimal

25%

0.25

300

Convert to a percent

2/5

40%

300

12.5% of $80

$10

300

y=-2x+20

x=6

Find y

y=8

400

Simplify

1/6+2/6

1/2

400

Convert to a decimal

12.5%

0.125

400

Convert to a percent

1/8

12.5%

400

10% less than $30

$27

400

y=1/2 x+6

x=10

Find y

y=11

500

Simplify

1/2+1/6

2/3

500

Convert to a decimal

3/8

0.375

500

Convert to a percent

7/20

35%

500

15% less than $120

$102

500

y=-2/3x+12

x=9

Find y

y=6

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