SOLUTION: Please solve me this question. "machine a can do a job in 10 hours. machine B takes 6 hours to complete the same job. how long it will take machine A and B to do the job if they w
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Question 1199070: Please solve me this question. "machine a can do a job in 10 hours. machine B takes 6 hours to complete the same job. how long it will take machine A and B to do the job if they work together.? " Answer by ikleyn(52754) (Show Source):
You can put this solution on YOUR website! .
Please solve this problem.
"machine A can do a job in 10 hours.
machine B takes 6 hours to complete the same job.
how long it will take machine A and B to do the job if they work together.? "
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Machine A makes of the job in one hour.
Machine B makes of the job in one hour.
Working together, the two machines make = = = of the job per hour.
It means that working together, the two machines will complete the job in = 3 hours = 3 hours and 45 minutes. ANSWER