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 can complete in one day by working together. Evaluate the expression for x =5.© BrainMass Inc. brainmass.com October 10, 2019, 1:58 am ad1c9bdddf
This problem shows how set up and solve a word problem where it is necessary to find a combined working rate.