One can do work in 7 hours and one in 5. Ho long together
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Answered by
3
heyy here is ur ans..
work done by A = 1/7
work done by B = 1/5
work done together = 1/7 + 1/5
= 5 + 7/35
= 12/35
in hours = 35/12
hope it helps u....if it did plzz mark me brainliest.......thanks.....!!!!
work done by A = 1/7
work done by B = 1/5
work done together = 1/7 + 1/5
= 5 + 7/35
= 12/35
in hours = 35/12
hope it helps u....if it did plzz mark me brainliest.......thanks.....!!!!
Answered by
0
{HELLO /MATE}
Work done by one in 1 hr = 1/7.
Work done by other in 1 hr= 1/5.
So work done by both in 1 hr = 1/7+1/5=12/35.
When both do 1 part of the work in 1 hr .
Then both will do the whole work in 1÷12/35.
=35/12=2 whole 11/12days
Work done by one in 1 hr = 1/7.
Work done by other in 1 hr= 1/5.
So work done by both in 1 hr = 1/7+1/5=12/35.
When both do 1 part of the work in 1 hr .
Then both will do the whole work in 1÷12/35.
=35/12=2 whole 11/12days
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