A is four times as fastern as B and therefore able to finish a work in 60 days less than B. Find the time in which they can finish the work if they work together?
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REQUIRED ANSWER ✍️:-
22.5 DAYS
SOLUTION ☄️:-
The efficient ratio of A to B is 3:1.
Therefore the time ratio is 1:3.
The difference in the ratio is 2, that corresponds to 60 days.
Hence A takes 30 days and B takes 90 days.
If they work together, they take
3×90/30+90
=90/4
= 22.5 days.
HOPE IT HELPS✨
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