A man can do a job in 8 hours,a boy can do the same job in 12 hours and a girl can do it in 16 hours. How long will it take them to do the job if the man and the boy work together for one hour and then the boy and the girl finish the job?

A man can do a job in 8 hours,a boy can do the same job in 12 hours and a girl can do it in 16 hours. How long will it take them to do the job if the man and the boy work together for one hour and then the boy and the girl finish the job?

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter3: Solving Equation And Problems

Section: Chapter Questions

Problem 15MPS

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