SOLUTION: Ralph paints a room in k hours, Jenny paints the room in m hours. Jenny takes two more hours to paint than Ralph. Together they can paint in 8 hours. How many hours can each pai
Question 1089967: Ralph paints a room in k hours, Jenny paints the room in m hours. Jenny takes two more hours to paint than Ralph. Together they can paint in 8 hours. How many hours can each paint the room on their own. Found 3 solutions by jhunjiro, MathTherapy, Fombitz:Answer by jhunjiro(67) (Show Source): You can put this solution on YOUR website! Answer by MathTherapy(10555) (Show Source): You can put this solution on YOUR website!
Ralph paints a room in k hours, Jenny paints the room in m hours. Jenny takes two more hours to paint than Ralph. Together they can paint in 8 hours. How many hours can each paint the room on their own.
Correct answer: By themselves,
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website! Rate x Time = Output
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Let's say that an output of 100 is required for the room to be painted (this number is arbitrary).
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and
and
Completing the square,
Only positive values of k are acceptable for this problem.
So then,