A can build a wall in the same time in which B and C together can do it. If A and B together could do it in 25 days and C alone in 35 days, in what time could B alone do it?
a. 175 days
b. 100 days
c. 90 days
d. None of these
ANSWER: 175 days
Explanation:
No explanation is available for this question!
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