SOLUTION: An experienced bricklayer can construct a small wall in 6 hours. An apprentice can complete the job in 12 hours. Find how long it takes if they work together.

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: An experienced bricklayer can construct a small wall in 6 hours. An apprentice can complete the job in 12 hours. Find how long it takes if they work together.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 439168: An experienced bricklayer can construct a small wall in 6 hours. An apprentice can complete the job in 12 hours. Find how long it takes if they work together.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x%281%2F6+%2B+1%2F12%29+=+1
<==> x/4 = 1
==> x = 4 hours working together and starting at the same time.