Ratios and Proportions

Write the ratio as a fraction in simplest form:

56 texts to 4 calls

•  $\frac{56t}{4c}$  

•  $\frac{28t}{2c}$  

•  $\frac{14t}{1c}$  

•  $\frac{18t}{1c}$  

You can buy 4 stickers for $2.50. How much would it cost to buy 16 stickers?

• $2.50

• $10

• $7.50

• $100

There are 15 boys in a classroom. The ratio of girls to boys is 2 to 3. How many girls are in the classroom?

• 5 girls

• 15 girls

• 2 girls

• 10 girls

Write the ratio as a fraction in simplest form:

10 dogs to 4 cats

• $\frac{5c}{2d}$

• $\frac{10d}{4c}$

• $\frac{5d}{2c}$

• $\frac{4d}{10c}$

In an animal shelter, the ratio of dogs to cats is 2 to 7. There are 24 dogs. Write and solve a proportion to find the number c of cats.

• 7 cats

• 84 cats

• 15 cats

• 96 cats

5 pounds of grapes costs $15. How much would it cost to buy 4 pounds of grapes?

• $13

• $20

• $8

• $12

A classroom has 28 girls in a classroom. The ratio of girls to boys is 4 to 3. How many boys are in the classroom?

• 12 boys

• 21 boys

• 16 boys

• 3 boys

You make $100 doing 10 hours of yard work. Find the unit rate in dollars per hour. (1 hour)

• $100

• $1

• $10

• $50

Your friend buys 8 boxes for $88. Find the unit rate of the cost per box. (1 box)

• $8

• $11

• $44

• $1

There are 15 computers in a math lab. There are 5 activity booklets for every 3 computers in the math lab. How many activity booklets are in the math lab?

• 25 activity booklets

• 30 activity booklets

• 9 activity booklets

• 15 activity booklets