PA Chapter 5 Review

Convert between Decimals and Fractions

100

17/100 as a decimal

0.17

200

Write 0.25 as a fraction

1/4

300

Write 7.55 as a mixed number

7 11/20

400

Write 0.11... as a fraction

1/9

500

Write 365 11/15 as a decimal

365.733...

Add and Subtract + and - Fractions

100

`-3/4 + -3/4`

-1 1/2

200

`3/10 - 7/10`

-2/5

300

`-1/5 - 4/5`

-1

400

`-15/16 + 1/2`

-7/16

500

`-3/10 - (-2/5)`

1/10

Multiply and Divide + and - Fractions

100

`3/5 ÷ 3/4`

4/5

200

`-3/4 * -1/2`

3/8

300

`1/8 ÷ -1/4`

-1/2

400

`-1/2 ÷ -4/19`

2 3/8

500

`-1/15 ÷ -1/54`

3 3/5

Using Multiplicative Inverse to Solve Equations

100

`-4/5x = 16`

x = -20

200

`3/4x = 12`

x = 16

300

`2/3x + 2 = 12`

x = 15

400

`-1/2x + (-6) = 14`

x = -40

500

`-16 = 3/5x + 8`

x = -40

Equations and Inequalities with Rational Numbers

100

`7/11x + 13/22 = 6/11`

x = -1/14

200

6x + 9.6 = 24

x = 2.4

300

10.5x - 1.9 = 19.1

x = 2

400

`5/8x + 7/24 > 13/24`

x > 2/5

500

`1/3 < -2/3x - 1/4`

x < -7/8