Rates, Ratios, and Proportions

Front

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

Back

48 mph

Front

Are the ratios 3/4 and 24/32 proportional?

Back

yes

Front

Are the ratios 10/12 and 20/32 proportional?

Back

no

Front

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

Back

$1.50

Front

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

Back

8 eggs

Front

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

Back

$1.08

Front

Cost to fill 13-gallon gas tank: $46.80. What is the price of gas per gallon?

Back

$3.60

Front

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

Back

12 pack

Front

Solve the proportion: ?/6 = 15/18

Back

5

Front

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.

Back

15