Question 146752: Barn Painting. 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 for 1 day by working together. Evaluate the expression for x = 5. Answer by edjones(7569) (Show Source):
You can put this solution on YOUR website! 1/x + 1/2x
=3/2x of the barn painted in 1 day working together.
3/10 of the barn painted in 1 day working together.