SOLUTION: 40 men can complete a piece of work in 40 days.They started the work together. But at the end of each 10th day, 5 men left the job. The work would have been completed in how many d

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Question 1053831: 40 men can complete a piece of work in 40 days.They started the work together. But at the end of each 10th day, 5 men left the job. The work would have been completed in how many days ?
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
RT=J relates constant work rate, time, and quantity of jobs. Your example refers mostly to 1 job. If r is one-man work rate and there are n men working on the same job, the rate of this group is .

Look at how much of the job is done every 10 days...

Basic plan for work was from which .

Now check each ten-day increment of work done.
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What is the sum up to these end of 40 days?


Keep going...
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What is the total sum of the job up to these 80 days?



THIS IS ALL OF THE 80 DAYS.
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