Review

Simply: 4 (x +5)

• 4x - 20

• 4x + 9

• 4x + 20

• 4x - 9

What is a percent?

• part of 100

• can be written as a fraction

• can be written as a decimal

• always a whole number

Reduce the fraction: 8/16

• 2/1

• 4/4

• 2/8

• 1/2

Solve: (3)(-4)

• +12

• -12

• -(-12)

• -7

50% is the same as____________

• 50/100

• 0.50

• 1/2

• 0.5

0.25 is the same as _________

• 1/4

• 25%

• 0.75

• 75%

Solve for the unknown: 1/2 = x/8

• x = 2

• x = -2

• x = 4

• x = -4

45/100 is the same as _______

• 0.045

• 0.45

• -0.45

• 45%

What is 10% of 100?

• -10

• 5

• 10

• -5

What is 20% of 50

• 15

• 2.50

• 5

• 10