Percents & Percent Equation

Convert 30% to a decimal

• 3.0

• 30

• .30

Convert 15% to a decimal

• .15

• 15

• 1.5

Convert 4% to a decimal

• .4

• .04

• 40

Convert 3.75% to a decimal

• .375

• 3.75

• .0375

Solve: X = 30%(40)

Hint: first, turn 30% to a decimal, then multiply.

• x=1,200

• x=12

• x=120

x = 7% (125)

• x = 8.75

• x = 875

• x = 17.8

65 = 45% (x)

Hint:

1. Change % to a decimal
2. isolate the variable by doing in inverse operation (opposite) of multiple. A.K.A divide out .45 on both sides of the equal sign.

• x = 2,925

• x = 144.4

• x = 1.4

3.75 = 150%(x)

• x = 2.5

• x = .025

• x = 562.5