Proportions

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Brad drives 527 miles on 17 gallons. How many miles does Brad drive on one gallon?

• 31 mpg

• 17 mpg

• 51 mpg

• 15 mpg

Solve the proportion:

• 4
• 8
• 14
• 10

Solve the proportion below:

• 42
• 6
• 2
• 28

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

A store had 2 blue chairs for $22.78 or 6 red chairs for $67.80. Which color chair has the lower unit price?

• 2 blue chairs for $22.78

• 6 red chairs for $67.80

Solve for x 

• x = 15
• x = 11
• x = 1/11
• x = 20

Solve the proportion:

• 4
• 8
• 14
• 10

Solve for x 

• x = 16
• x = 28
• x = 1/26
• x = 26

What's the better deal? 12 gallons of gas for $33 OR 5 gallons of gas for $14?

• 12 gallons of gas for $33

• 5 gallons of gas for $14