Ratios and Proportions

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.

• p/12=100/75

• p/100=12/75

• p/12=75/100

• p/75=12/100

Solve the proportion.

• q=2

• q=9

• q=4.5

• q=6

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

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

Is the pair of ratios proportional?

• yes

• no

Are the two ratios proportional?

• YES

• NO

How much oil is needed with 1 tbsp of lemon?

• 1

• 1.5

• 2

• 3

The table shows the weight in pounds of objects on earth compared to objects on the moon.  If an object on earth weighs 42 lbs, what is its weight on the moon?

• 7 lbs

• 12 lbs

• 84 lbs

• 252 lbs

The amount of eggs and the cups of cream needed to make egg nog have a proportional relationship. Complete the table.

• 5/1 & 5/1

• 10/2 & 25/5

• 1/5 & 1/5

• 2/10 & 5/25

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft