SOLUTION: A plumber and his assistant work together to replace the pipes in an old house. The plumber charges $45 an hour for his own labor and $25 for his assistant on this job, and the lab
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Question 397409: A plumber and his assistant work together to replace the pipes in an old house. The plumber charges $45 an hour for his own labor and $25 for his assistant on this job, and the labor charge on the final bill is $4025. How long did the plumber and his assistant work on this job? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! A plumber and his assistant work together to replace the pipes in an old house.
The plumber charges $45 an hour for his own labor and $25 for his assistant on
this job, and the labor charge on the final bill is $4025.
How long did the plumber and his assistant work on this job?
:
Let t = time in hrs that both worked
:
45t + 25t = 4025
