SOLUTION: Lina can clean the garden in 5 hours. After working alone for 2 hours, Marlou joined her. Together they finish the job in 1 more hour. How long would it take Marlou to clean the ga

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Lina can clean the garden in 5 hours. After working alone for 2 hours, Marlou joined her. Together they finish the job in 1 more hour. How long would it take Marlou to clean the ga      Log On


   

Question 1086460: Lina can clean the garden in 5 hours. After working alone for 2 hours, Marlou joined her. Together they finish the job in 1 more hour. How long would it take Marlou to clean the garden alone?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
%281%2F5%292%2B%281%2F5%2B1%2Fx%291=1

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2%2F5%2B1%2F5%2B1%2Fx=1
2x%2Bx%2B5=5x
5=2x
x=5%2F2
highlight%28x=2%261%2F2%29---------time in hours, Marlou if worked alone