Ratios and Proportions

The ratio 5:15 simplifies to...

• 1:3
• 3:1
• 1:5
• 3:5

Simplify the ratio 12:3

• 1:2
• 6:1
• 4:1
• 1:4

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

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

Mrs. Edgar bought an eight pack of bottled water for $4.00.  What was the unit price for the water?

• $32.00
• $0.50
• $3.20
• $5.00

Which of the following shows the least expensive unit price? 

• 3 oranges for $1.02
• 4 oranges for $1.52 
• 5 oranges for $1.75
• 6 oranges for $2.46

A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2