SOLUTION: 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 fracti

Question 170024: 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 in one day by working together. Evaluate the expression for x 5.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
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 in one day by working together
:
Let the completed job = 1
:
+ = =
:
Evaluate the expression for x = 5
:
= of the barn painted in one day
:
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