A and B workers doing a work....it takes about.. 16 days for A to complete the work and and 24 days for B to complete the work. if for the first 6 days... they both worked together to get the work done, then after 6 days, A left. B had to work alone after 6 days. how many days will it take for b to complete that work.
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Answer:
21 days may be b have to compete
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Step-by-step explanation:
A can do in 1 day = 1/16 of the work.
B can do in one day = 1/24 of the work.
A can do in 6 days = 1/16 * 6 = 3/8 of the work.
B can do in 6 days = 1/24 * 6 = 1/4 of the work.
Total work done by them in 6 days = 3/8 + 1/4 = 5/8 of the work.
Work left = 1 - 5/8 = 3/8 of the work.
No. of days B will take to complete the left work = Left work / B's one day work
= 3/8/1/24 = 9 days
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