A man can do work in 6 hours . Find the workdone by B if A and B both together can finish the work in 3.5 hours.

asked Oct 27, 2023 233k views

24 votes

by Lolo

6.3k points

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7 votes

Answer:

8.4 hours

Explanation:

(1)/(6) + (1)/(x) = (1)/(3.5)

3.5x + 21 = 6x

2.5x = 21

x = 8.4

So B can complete the task in 8.4 hours.

Mani Ratna answered Oct 31, 2023

6.1k points

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