SOLUTION: Mary can paint a room in 5 hours. Working together Bob and Mary can paint the room in 3.5 hours. How much time would it take for Bob to paint the room himself?

Question 1103277: Mary can paint a room in 5 hours. Working together Bob and Mary can paint the room in 3.5 hours. How much time would it take for Bob to paint the room himself?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate x Time = Output
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.
.

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Together,

Substituting from above,

So,

11 hours 40 minutes
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