SOLUTION: 88. 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 ba
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Question 113996This question is from textbook Elementrary and intermediat algebra
: 88. 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
This question is from textbook Elementrary and intermediat algebra
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
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.
:
One day working together:
+ = =
:
Evaluate the expression for x = 5:
= of the barn painted in 1 day working together