SOLUTION: 3 men can do a job for 12 days. If 2 of the men work twice faster than the 3rd, how long would it take one of the faster men to do the job?
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Question 1015101: 3 men can do a job for 12 days. If 2 of the men work twice faster than the 3rd, how long would it take one of the faster men to do the job?
Answer by josgarithmetic(39631) (Show Source): You can put this solution on YOUR website!
Let r be the slow man rate and then 2r is the fast man rate.
You have one slow man and two fast men, and combined, this group rate is .
The group of men can do 1 job in 12 days;
.
, meaning the slow man does 1 job in 60 days.
Either of the FASTER men will simply need HALF those number of days for the 1 job, meaning 30 days.
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