SOLUTION: Carol can weed a garden in 2 hours. Jen can weed the same garden in 5 hours. How long will it take them to weed the garden working together?

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Question 725846: Carol can weed a garden in 2 hours. Jen can weed the same garden in 5 hours. How long will it take them to weed the garden working together?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x/2+x/5=1
or
1/2 +1/5=1/x
5/10+2/10=1/x
7/10=1/x
x=10/7