SOLUTION: Can someone help me solve this An experienced man constructs a wall in 3 hours. The apprentice completes the job in 6 hours. How long does it take if they work together?

Question 535733: Can someone help me solve this
An experienced man constructs a wall in 3 hours. The apprentice completes the job in 6 hours. How long does it take if they work together?
Answer by april4869(19) (Show Source): You can put this solution on YOUR website!
Part of the job done by the experienced man in one hour is 1/3.
Part of the job done by the apprentice in one hour is 1/6.
Let x=their time together. So part of the job done in one hour together is 1/x
Think: part done by man + part done by apprentice = part done together
1/3+1/6=1/x
Now multiply by 6x
2x + x = 6
3x = 6
x = 2
So they can get the job done together in two hours.

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