A can do 1/4 of a work in 5 days, while B can do 1/5 of the work in 6 days. In how many days can both do it together?
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Hope it helps uh !
Step-by-step explanation:
Both "A" and "B" will together finish the work in 12 days.
A can do 1/4 of the work in 5 days. This means that A will take 20 days to complete the work. This also means that A will finish 1/20 of the work in 1 day.
Similarly, B will finish 1/30 of the work in 1 day.
If A and B work together, the fraction of the work that will get done in 1 day is:
1/20 + 1/30
= 5/60
= 1/12
This means that when (A+B) are working, they will together finish 1/12 of the work in 1 day. This is to say they will take 12 days to finish the work.
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