SOLUTION: All members of a crew work at the same pace. If only 4 of them are working, they complete a job in 27 days. How many days will it take all 9 members of the crew to complete this jo

Question 951162: All members of a crew work at the same pace. If only 4 of them are working, they complete a job in 27 days. How many days will it take all 9 members of the crew to complete this job?
Answer by josgarithmetic(39614) (Show Source): You can put this solution on YOUR website!
r, one person rate
t, unknown time for second condition

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