Mathematics, 15.10.2019 10:00 JLapworth1130
Amason and his assistant work together for 6 hours on a brick fireplace before the mason has to leave the job. the assistant finishes the job alone in 12 hours. if the mason can construct a fireplace in 15 hours working alone, how long does it take his assistant working alone to construct a fireplace?
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Amason and his assistant work together for 6 hours on a brick fireplace before the mason has to leav...
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