Percents Proportions

Write a proportion and solve:
Eight is what percent of 64?

• 12.5%

• 8%

• 800%

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

• 150

• 6

• 143

• 18

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

• 25%, .25

• 400%, 4

• 25%, 25

• 400%, 40

What percent of 50 is 80?

• 160%

• 62.5%

17) Which is the correct percent proportion?

• whole/part = %/100

• part/whole = %/100

• part/whole = 100/%

• whole/% = part/100

• A
• B
• C
• D

If 15% of a number is 30, what is the number?

• 100

• 150

• 250

• 200

If 20% of a number is 40, what is the number?

• 100

• 200

• 150

• 250

What is 30% of 150?

• 45

• 50

• 55

• 60

If 30% of a number is 45, what is the number?

• 150

• 75

• 200

• 120