A and B together can do a work in 7 days and B and C together in 8.75 days and A can do the same work in 10.5 days. How many days will C take to complete double the same amount of work when working alone?

A and B together can do a work in 7 days and B and C together in 8.75

1.	A and B together can do a work in 7 days and B and C together in 8.75 days and A can do the same work in 10.5 days. How many days will C take to complete double the same amount of work when working alone?
A.	31
B.	31.25
C.	30
D.	32.5
Answer» D. 32.5

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A and B together can do a work in 7 days and B and C together in 8.75 days and A can do the same work in 10.5 days. How many days will C take to complete double the same amount of work when working alone?

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