### Home > PC3 > Chapter 3 > Lesson 3.1.4 > Problem 3-55

3-55.

Michelle has the problem then solve

*. Use Laura’s suggestion to solve for*

*and then use your solutions to solve for the values of*

.

Solve for the values of first.

Then substitute the values of

*into*

*.*

Finally, solve for

*. You should get two answers.*