A is 50% more efficient than B and C is 40% less efficient that B. Working together, they can complete a task in 20 days. In how many days will C alone complete 30% of that task?

A is 50% more efficient than B and C is 40% less efficient that B. Wor

1.	A is 50% more efficient than B and C is 40% less efficient that B. Working together, they can complete a task in 20 days. In how many days will C alone complete 30% of that task?
A.	29
B.	33
C.	31
D.	35
Answer» D. 35

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A is 50% more efficient than B and C is 40% less efficient that B. Working together, they can complete a task in 20 days. In how many days will C alone complete 30% of that task?

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