Asked by vinci
If A can do a job in 6 days that V can do in 5 1/2 days and C can do in 2 1/5 days, how long would the job take if A,B, and C were working together?
Answers
Answered by
MathMate
1/(1/6+1/5.5+1/2.2)
=1.245 DAYS
=1.245 DAYS
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