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


Jill has a job like Jack’s except that she makes after six hours. 

  1. Find , Jill’s earnings after t hours of work.

  2. 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.

  3. When will Jill make ?

    You know that in hours
    Jill will have .
    So .
    Solve for .

  4. Extension: When does Jill make more than Crown?

    When is AND ?