SOLUTION: If 4 men can paint a house in 5 days, in how many days can 10 men paint the same house?

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Question 1038804: If 4 men can paint a house in 5 days, in how many days can 10 men paint the same house?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The required output to paint the house is,
O=4%2A5=20man-days
So then,
D%2A10=20
D=2days