SOLUTION: Twenty men can finish the job in 20 days. Twenty men were hired at the start and 10 quit after 5 days. How many days will it take to finish the job?

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Question 913242: Twenty men can finish the job in 20 days. Twenty men were hired at the start and 10 quit after 5 days. How many days will it take to finish the job?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
20*20=400 man days needed
20*5=100 man days completed
400-100=300
300/10=30 days to complete the job