SOLUTION: Melanie can paint a barn in "x" days. Melissa can do it in "2x" days Write a rational expression for the fraction of the barn That they complete in one day by working together. Eva

Question 225151: Melanie can paint a barn in "x" days. Melissa can do it 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"
I have no idea how to write the rational expression.
Thank you very much.
Carmelita Haynes
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Melanie can paint a barn in "x" days. Melissa can do it in "2x" days
Write a rational expression for the fraction of the barn That they complete in one day by working together.
:
Working together for one day:
+
as a single fraction
=
:
Evaluate the expression for "x = 5
Replace x with 5 in the above fraction
= completed in 1 day together

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