Math, asked by nsiou1635, 7 months ago

A and B can do a job in 5hrs, B and C can do it in 4 hrs. While A and C can do it in 2.5hrs. How long will it take for the three (A, B, C) working together to finish the job?

Answers

Answered by PragyaKaswa

0

Answer:

10.5 hours...

Step-by-step explanation:

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