### Home > PC > Chapter 2 > Lesson 2.3.7 > Problem 2-157

2-157.

Find

, Jill’s earnings after*t*hours of work.Crown’s job pays

for the first hours and then after that. What is , Crown’s earnings after*t*hours on the job?Use the same thinking as in (a) above.

When will Jill make

? You know that in

hours

Jill will have.

So.

Solve for.Extension: When does Jill make more than Crown?

When is

AND ?