Rates Ratio Proportions Review

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1
• 1/6
• 18/3
• 3/18

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

Solve the proportion:

• 4
• 8
• 14
• 10

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

Solve for x

• x=6
• x =1/6
• x = 7
• x=9

Solve for x 

• x = 15
• x = 11
• x = 1/11
• x = 20

Melissa drives 238 miles in 5 hours. What is her average rate of speed?

• 40 MPH
• 46 MPH
• 48 MPH
• 50 MPH

Eight oranges cost $1.00. How much will 4 dozen oranges cost?

• $3.00
• $4.00
• $5.00
• $6.00