Ratio, Unit Rate and Proportional

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

Ken can walk 40 dogs in 8 hours. Determine how many dogs he can walk in one hour.

• 5 hours per dog

• 5 dogs per hour

• 320 dogs per hour

• not here

Alicia drove at a constant speed and traveled 182.4 miles in 3 hours. What is her rate in miles per hour?

• 60.8 hours per mile

• 547.2 miles per hour

• 56 miles per hour

• 60.8 miles per hour

Simplify

• 2:10

• 1:10

• 1:2

• 2:1

A class has 30 students. 18 are boys. What is the ratio of boys to girls? (you must simplify)

• 12:18

• 3:2

• 30:18

• 18:7

Write the ratio as a fraction in simplest form.
24 passengers in 8 cars

• 24/8

• 3/1

• 1/3

• 8/24

Suppose a class has 14 redheads, 8 brunettes, and 6 blondes. What is the ratio of redheads to blondes?  Write your answer in simplest form. 

• 14:6

• 7:3

• 14:8

• 7:4

Suppose a class has 14 redheads, 8 brunettes, and 6 blondes.  What is ratio of blondes to total students? Write your answer in simplest form. 

• 6/28

• 6/20

• 3/14

• 3/10

A unit rate is a ratio that has a denominator of _________.

Check ALL of the ratios that are equal to 2:3.

• 4:6

• 5:10

• 24:36

• 22:30