A can finish a work in 12 days and B can do it in 15 days after A had worked for 3 days, B also finish the remaining work. In how many days, the remaining work will be finished
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Answer:
5 days
Step-by-step explanation:
A can do work in days = 12
A's 1 day work =
A's 3 days work =
Remaining work =
B can do work in days = 15
B's 1 day work =
(A+B)'s 1 day work =
(A+B)'s 1 day work =
A+B can do work in days = 1
A+B can do work in days =
A+B can do work in days =
Hence Remaining work can be done in 5 days
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