SOLUTION: I have another word problem that I am fumbled with. There are 630 dishes that need washed. Jim can do it in 105 minutes. His friend can do it in 70 minutes. If they do it togethe

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Question 179015: I have another word problem that I am fumbled with.
There are 630 dishes that need washed. Jim can do it in 105 minutes. His friend can do it in 70 minutes. If they do it together how many minutes will it take to rinse 630 dishes?? Please help! Ty in advance. Judy

Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!
(70*105)/(70+105)
7350/175
42 minutes when they work together.

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