SOLUTION: One worker can pick up trash on the highway in seven hours the other worker can pick up trash on the highway in nine hours how long will it take if they work together?
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Question 847644: One worker can pick up trash on the highway in seven hours the other worker can pick up trash on the highway in nine hours how long will it take if they work together?
Answer by josgarithmetic(39615) (Show Source): You can put this solution on YOUR website!
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