Rates, Ratios, and Proportions

Melissa drives 240 miles in 5 hours. What is her average rate of speed?

• 40 mph

• 48 mph

• 46 mph

• 50 mph

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Are the ratios proportional?

3/4 and 24/32

• yes

• no

Tags

CCSS.7.RP.A.2A

Are the ratios proportional?

10/12 and 20/32

• yes

• no

Tags

CCSS.7.RP.A.2A

Eight oranges cost $1.00. How much will 1 dozen oranges cost?

• $1.50

• $3.70

• $0.12

• $0.90

Tags

CCSS.6.RP.A.3B

A recipe calls for 2 eggs to make 10 pancakes. How many eggs will you need to make 40 pancakes?

• 4 eggs

• 8 eggs

• 12 eggs

• 16 eggs

Tags

CCSS.6.RP.A.3B

A watermelon cost $3.24 for 3 pounds, what is the cost per pound?

• $9.50

• $4.08

• $1.80

• $1.08

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

• $2.50

• $3.60

• $1.99

• $2.89

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which is the better buy? A 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

• they are the same

• 6 pack

• 12 pack

• neither

Tags

CCSS.6.RP.A.3B

Solve the proportion.

?/6 = 15/18

• 90

• 60

• 7

• 5

Tags

CCSS.7.RP.A.2B

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.

• 15

• 19

• 27

• 40

Tags

CCSS.7.RP.A.3