krithonyr6086 krithonyr6086

23-06-2017
Mathematics

contestada

Working alone , mike can complete the floor in 10 hours. patty can compllete the same floor in 8 hours if working alone. how long will it take them, working together to finish the floor?

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wolf1728 wolf1728

23-06-2017

There is a formula for this. (See attached).
Total Time = 10 * 8 / (10 + 8) =
Total Time = 80 / 18
Time = 4.44 Hours

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