Math 35

Quiz 9

Dr. Wilson

1.

2.

3.

Solve for   x   and check

4. Solve the following system of equations by

and check your answer

5. Linda goes to visit a friend who lives in Lompoc. It is 390 miles from Linda's house to her friend's house. When she came back, it took her a half an hour less time and her average speed was 5 miles per hour faster. How fast was she going when she went down to Lompoc, and how fast was she going when she drove back?