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.
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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) (Show Source): You can put this solution on YOUR website!
<==> x/4 = 1
==> x = 4 hours working together and starting at the same time.
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