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25-06-2024
Mathematics

Answered

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 20 an hour for his assistant labor. The plumber works twice as long as the assistant on this job and the Labor charg On the final bill is $3300. How long did the plumber and his assistant work on this job answer in hours

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