A: A and C finish 1 million work in 15 days. B finishes 1 million work in 30 days. So A and C finish 1 million work in 15 days + 30 days = 45 days. Then B finishes 1 million work in 30 days. So B finishes 1 million work in 30 days. Altogether, it takes 45 days to finish 1 million piece of work. The answer is (B).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:A and C can finish 100,000 piece of work in 15 days each. B can do 30% faster than A and B.Approximately how many days would it take to finish million piece of work with all three working simultaneously? Answer Choices: A)40 B)46 C)51 D)42 E)54