SOLUTION: Melanie can paint a certain barn by herself in x days. Her helper Melissa can paint the same barn by herself in 2x days. Write a rational expression for the fraction of the barn t

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Question 177414: Melanie can paint a certain barn by herself in x days. Her helper Melissa can paint the same barn by herself in 2x days. Write a rational expression for the fraction of the barn that they complete in one day by working together. Evaluate the expression for x = 5.
Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
melanie can paint 1/x of the barn per day
melissa can paint 1/2x of the barn per day
:
together they can do
:
a)per day
:
per day
:
b)