Ratios and Proportions

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

• 8

• 15

• 40

• 29

• 3
• 5.3
• 1.08
• 27

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Angie purchased 25 fruits in all. 10 were apples and the rest were peaches. What is the ratio of peaches to apples? (In simplest form)

• 3/2

• 25/10

• 10/15

• 15/10

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

The ratio of pass to fail in PE class is 5:1.  If there are 90 students in PE, how many are passing?

• 75 students are passing

• 75 are failing

• 15 students are passing 

• 15 students are failing

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Solve for x

• x=6

• x =1/6

• x = 7

• x=9

A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?

• 13 ft

• 20.75 ft

• 24.75 ft

• 22 ft

Jordyn bought 4 gallons of gasoline and it cost $16.80. What is the price per gallon?

• $67.20 per gallon

• I have no clue!

• $3.00 per gallon

• $4.20 per gallon