Labor Costs A plumber and his assistant work together toreplace the pipes in an old house. The plumber charges $45 anhour for his own labor and $25 an hour for his assistant’slabor. The plumber works twice as long as his assistant on thisjob, and the labor charge on the final bill is $4025. How longdid the plumber and his assistant work on this job?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
SectionP.9: Modeling With Equations
Problem 32E
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Labor Costs 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 an hour for his assistant’s
labor. The plumber works twice as long as 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?

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