Representing Ratios and Rates

A high school randomly selected 50 students to take a survey about extending their lunch period. Of students selected for the survey, 14 were freshmen and 13 were sophomores.

14 : 50 can be reduced to what?

• 2 : 14

• 7 : 25

• 25 : 7

• 25 : 14

A backyard pond has 12 sunfish and 30 rainbow shiners.

Write the ratio as a fraction.

Solve the following. Round to the nearest whole number

During one particular month, the number of sunny days in Bellingham was 4 days while the number of rainy days was 12. Write the ratio of number

of sunny days to number of rainy days.

• 4 to 12

• 4 : 12

• 4/12

• 1/3

Write each rate 26 cups for 8 people as a fraction in simplest form, then give the unit rate.

• 8/26 cups per person

• 13/4 cups per person.

• 4/13 people per cup

• 13/4 people per cup

Four pounds of bananas cost $6.  What is the cost per pound of bananas? (What is the unit rate?)

• $24 per pound

• $1.50 per pound

• $1 per pound

• $6 per pound

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4

• 4/6

• 1/3

• 10/16

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5

• 5 to 3

• 3 to 5

• 5 to 2

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12