Percent Math

What is 9% of 50?

• 4.5

• 45

• .45

• .045

Answer explanation

$\frac{9}{100}=.09$

$.09\ \times50\ =\ 4.5$

Change 1/4 to a percent.

• 25%

• 50%

• 75%

• .25

Convert the following decimal to a percent.

.37 = _?_

• 37%

• 3.7

• 37

• .37%

What does the word percent mean?

• part out of 10

• part out of 100

• part out of 1

• part out of 1000

Caroline's hot tub holds 75% as much water as Heidi's hot tub.  Heidi's hot tub holds 324 gallons.  How many gallons of water does Caroline's hot tub hold?

• 75 gallons

• 81 gallons

• 162 gallons

• 243 gallons

• A
• B
• C
• D

Eric earned 60 points on his last test. If there were 75 possible points, what was his percent grade?

• 20%

• 40%

• 60%

• 80%

Sixteen students in the school band play clarinet. Clarinet players make up 20% of the band. Use a bar model to find the number of students in the school band.

• 80

• 8

• 40

• 160

What is 75% of 120?

• 60

• 75

• 90

• 100

What is 25% of 200?

• 25

• 50

• 75

• 100