7.4 Write and Solve Proportions

Which problem does this proportion correctly represent? 

• 3 cups of flour makes 15 cupcakes, how much flour would be needed to make 18 cupcakes?
• 15 cups of flour makes 18 cupcakes, how many cupcakes would 3 cups of flour make?
• 15 cups of flour makes 3 cupcakes, how many cupcakes would 18 cups of flour make? 
• 3 cups of flour makes 15 cupcakes. How many cupcakes would 18 cups of flour make? 

Tags

CCSS.7.RP.A.2C

Hamburger meat sells for $6 for every 3 pounds. If Alicia buys 10 pounds of hamburger meat, how much will she pay?

• $30
• $20
• $60
• $10

Tags

CCSS.6.RP.A.3B

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

Tags

CCSS.7.RP.A.2A

The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480
• 1960
• 84
• 25

Tags

CCSS.7.RP.A.3

Solve the proportion below:

• 3
• 24
• 21
• 12

Tags

CCSS.7.RP.A.2B

Solve the proportion below:

• 42
• 6
• 2
• 28

Tags

CCSS.7.RP.A.2B