Proportions Percents

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

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

• 34, 34

• 34%, .34

• 34%, .34

What is 35% of 180?

• 63

• 70

• 75

• 80

What is 25% of 80?

• 20

• 30

• 15

• 40

17) Which is the correct percent proportion?

• whole/part = %/100

• part/whole = %/100

• part/whole = 100/%

• whole/% = part/100

What is 40% of 250?

• 200

• 100

• 60

• 150

What is 30% of 150?

• 45

• 50

• 55

• 60

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

• 100

• 150

• 250

• 200