SOLUTION: Working together, Jennifer and Lori can plant a vegetable garden in 3 hours. If Lori works alone, it takes her 8 hours longer than it takes Jennifer to plant the garden. How long d

Algebra ->  Rational-functions -> SOLUTION: Working together, Jennifer and Lori can plant a vegetable garden in 3 hours. If Lori works alone, it takes her 8 hours longer than it takes Jennifer to plant the garden. How long d      Log On


   

Question 1184604: Working together, Jennifer and Lori can plant a vegetable garden in 3 hours. If Lori works alone, it takes her 8 hours longer than it takes Jennifer to plant the garden. How long does it take Lori to plant the vegetable garden by herself?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
                TIME hour       RATE

Jennifer          x-8           1/(x-8)

Lori              x             1/x

Simultaneous      3             1/3

The question is to find amount of time for Lori if she plants the garden alone.

1%2F%28x-8%29%2B1%2Fx=1%2F3-----------simplify and solve.

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Jennifer: 4 hours if alone
Lori: 12 hours if alone
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