Percents as Proportions

Find 8% of 75.

• 6

• 937.5

• 22

• 801

Find 6% of $7500.

• $125,000

• $420

• $450

• $122,000

Write an equation to represent:
Fourty is what percent of 90?

• 40 = 90x

• (90)(40) = x

• 40x = 90

Write an equation for:
Fifty is 15% of what number?

• 50 = 15x

• 50 = .15x

• 50(15) = x

Write an equation for:
Find 9% of $10,000.

• 9(10,000)=x

• 0.09(10,000)=x

• 9=10,000x

Write an equation for:
Thirty-three is what percent of 100?

• 33x = 100

• .33(100) = x

• 33 = x(100)

Write the ratio as a percent and then as a decimal:
1/4

• 25%, .25

• 400%, 4

• 25%, 25

• 400%, 40

Write the ratio as a percent and then as a decimal:
34/100

• 34, 34

• 34%, .34

• 34%, .34

Write the ratio as a percent and then as a decimal:
18/4

• 450%, 4.5

• 450%, 450

• 22%, .22

• .22%, 22

26 is 5% of what number?

• 3

• 5

• 25.95

• 520