SOLUTION: How do you solve this: Jo paints a room in 5 hours. Mo paints a room in 3 hours. If they paint together, how long will it take to finish painting the room?

Question 566414: How do you solve this:
Jo paints a room in 5 hours. Mo paints a room in 3 hours. If they paint together, how long will it take to finish painting the room?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Painting the room is 1 job
Jo 5 hours
She does 1/ 5 of the job in 1 hour
Mo 3 hours
She does 1/ 3 of thejob in 1 hour
Together they will do 1/ 5 + 1/ 3 +
Together they will do 8/15 of the job in one
So they will take 1 7/8 hours

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