A can do a work in 6 days and B can do it in 8 days. they worked togather for 2 days and then B left the work. how many days will A require to finish the work?
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A can do work in 1 day = 1/6
B can do work in 1 day = 1/8
A and B cand do work in 1 day = 1/6+1/8
= 4/24+3/24
= 7/24
A and B can do work in 2 days = 7/24*2 = 7/12
Remaining work = 1-7/12 = 5/12
Time taken to do remaining work = 5/12*6 = 5/2
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