Solve Percents with Proportions

Write a proportion and solve:
Thirty is 20% of what number?

• 150

• 6

• 143

• 18

What percent of 50 is 80?

• 160%

• 62.5%

Write a proportion and solve:
Six is what percent of 5?

• 120%

• 83.3%

• 132%

• 64%

What percent of 125 is 2?

• 62.5%

• 1.6%

• 2.5%

• 73.4%

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

Find 9% of $10,000.

• 9(10,000)=x

• 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)