Proportion Unit Rate

In an animal shelter, the ratio of dogs to cats is 4 to 3. If there are 72 dogs at the shelter, how many cats are there?

• 54 cats

• 18 cats

• 96 cats

• 16 cats

Solve the proportion.

• 18

• 3

• 2

• 9

What is the ratio of circles to squares?

• 3:1

• 2:1

• 1:2

• 5:3

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

• 12:18

• 3:2

• 30:18

• 18:7

Write the ratio as a fraction in simplest form.
15 girls to 6 boys   

• 5 to 2

• 5/3

• 3 to 5

• 5/2

Harry mowed eight lawns and earned $96. How much did he earn for each lawn?

• $96

• $12

• $768

• $8

Water flows from a faucet at a rate of 5 gallons every 25 seconds. At this rate, how many gallons will flow from the faucet in 45 seconds?

• 9 gallons

• 5 gallons

• 11 gallons

• 40 gallons

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

• 475 cars per day

• 19 cars per day

• .05 cars per day

• 15 cars per day

At the market, 7 apples cost $4.55. What is the cost per apple?

• 54 apples per dollar

• 54 dollars per apple

• $0.65 per apple

• not here