Ratios and Proportions

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

• 6 to 1
• 1/6
• 18/3
• 3/18

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

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

At a summer camp, there are 40 girls out of 60 campers.  What is the ratio written in simplest form?

• 2/3
• 20/30
• 40/60
• 10/60

There is a ratio of 5 boys to 11 girls in our class. What is the total number of students if there are 6 boys?

• 26

• 18

• 11

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

A tree stands 20 ft high with a shadow of 2 ft long.  If the tree next to it is 40ft tall, how long would its shadow be?

• 4ft
• 2ft
• 1ft
• 3ft

Ratios can be represented as...

(Select ALL answers that apply!)

• A/B

• A to B

• A : B

A housepainter mixed 5 gal of blue paint with every 9 gal of yellow paint in order to make a green paint. Which ratio of gallons of blue paint to gallons yellow paint will make the same shade of green?

• 30 : 54

• 6 : 10

• 10 : 45

• 27 : 15

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.