Solving Multiplication Equations Using the Multiplicative Inverse

Review:

1.) 4x = 28  2.)

3.) 4.)

To solve multiplication equations divide

To divide, multiply by the reciprocal

1.)

2.) 3.)

4.) A coat is selling for of the original price. The sale price is $180. Write an equation and find the original price.

Define the variable, write an equation and solve.

5.) Brandon is traveling on his bike at a speed of miles per hour. How long did he travel if he rode his bike for 4 miles?

6.) 7.)

8.) 9.)

Two Step :Undo addition or subtraction first

1.)2.)

3.)

Define the variable, write an equation and solve.

4.) The Trek club plans to hike 20 miles today. The hikers have covered 6 miles so far. If they travel at an average speed of mph, how many hours will it take to complete the hike?