SOLUTION: Marian can weed a garden in 3 hours. Robin can weed the same garden in 3 1/2 hours. If they work together, how long will the wedding take them?

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Question 1139276: Marian can weed a garden in 3 hours. Robin can weed the same garden in 3 1/2 hours. If they work together, how long will the wedding take them?
Answer by josgarithmetic(39621) About Me  (Show Source):