Set Up Proportions

20 Fuji apples cost $12. How many Fuji apples can you buy for $3?

Solve the proportion.

• 8 apples

• 7 apples

• 5 apples

• 1 apples

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Which is correctly set up to represent this story? "4 out of 5 students is Mrs. O'Neall's 7th grade class have a cell phone. If there are 365 total students in the 7th grade, how many would you expect to have a cell phone?"

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

A proportion is two ratios that are ________.

• Equal

• variable

• unequal

• matching

To solve a proportion, you

• cross simpify

• cross multiply

• cross divide

Solve for x by setting up a proportion.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=45

Solve the proportion.

• 432

• 5.3333

• 7

• 8.2