SOLUTION: rey can build a doghouse by himself in 3 days. roy can build the same doghouse in 6 days. how long will it take them if they work together?
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-> SOLUTION: rey can build a doghouse by himself in 3 days. roy can build the same doghouse in 6 days. how long will it take them if they work together?
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Question 547685: rey can build a doghouse by himself in 3 days. roy can build the same doghouse in 6 days. how long will it take them if they work together? Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! Building dog house 1 job
Rey 3 days
He does 1/ 3 job in 1 day
Roy 6 days
He does 1/ 6 of thejob in 1 day
Together they will do 1/ 3 + 1/ 6 of the job in 1 day
Together they will do 1/ 2 of the job in one
So they will take 2 days
