Chapter 9 Applications of Equations

• x = 6

• x = 12

• x = 10

• x = 4

• x = 4

• x = 10

• x = 7

• x = 3

• 100

• 120

• 146

• 12

• 13

• 20

• 6

• 14

Write the expression as a unit rate:

325 chips are eaten every 5 sandwiches are eaten.

• 13 chips for every 1 sandwich

• 40 chips for every 1 sandwich

• 65 chips for every 1 sandwich

• 325 chips for every 5 sandwiches

Write the following expression as a unit rate:

There are 200 cats for every 20 dogs.

• 20 cats for every 2 dog.

• 10 cats for every 1 dog.

• 5 cats for every 1 dog.

• 200 cats for every 20 dogs.

• x = 2

• x = 10

• x = 30

• x = 15

• x = 120

• x = 12

• x = 10

• x = 40