SOLUTION: Mike can paint a wall in three hours. Angelo can paint the same wall in two hours. How long will it take if they work together?

Question 80330: Mike can paint a wall in three hours. Angelo can paint the same wall in two hours. How long will it take if they work together?
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
THE ANSWER TO ALL THESE TYPE OF PROBLEMS ARE PRODUCT OVER SUM OR X*Y/(X+Y)
WHETHER IT IS PEOPLE WORKING, TWO WATER PIPES FILLING, RESISTERS IN PARALLEL, ETC.
YOUR CASE IS THE PRODUCT OF THE TWO TIMES 3*2=6 DIVIDED BY THE SUM (3+2)=5
3*2/(3+2)=6/5=1.2 hours when they work together.
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