Rates & Proportions

Are these ratios proportional?

• Yes, their cross products are equal

• No, their cross products are NOT equal

• Yes, they have the same unit rates

According to the table, if the bag has 10 green marbles, how many red marbles does it have?

• 10

• 20

• 30

• 40

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

Solve the proportion to find the value for y.

• 3

• 5.3

• 1.08

• 27

Find the Unit Rate of rotations per minute if the machine completes 405 rotations in 5 minutes.

• 81 rotations per minute

• 73 rotations per minute

• 18 rotations per minute

• 810 rotations in 10 minutes

Use the Cross Product Property to determine the value for x.

• x = 6

• x = 25

• x = 28

• x = 17

The Upward Football League has 156 players on 12 teams. What is the unit rate of players per team?

• 13 players per team

• 12 players per team

• 14 players per team

A recipe called for the ratio of sugar to flour to be 10:3. If you used 50 ounces of sugar, how many ounces of flour would you use?

• 21

• 15

• 13

• 120

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

Chase makes $65 for 3 hours of work. Write a proportion to determine how many hours h Chase worked when he made $150.

•  $\frac{3}{65}=\frac{150}{h}$  

•  $\frac{65}{3}=\frac{h}{150}$  

•  $\frac{65}{150}=\frac{h}{3}$  

•  $\frac{65}{3}=\frac{150}{h}$