A does 20% less work than B. If A can complete a piece of work in71hours, then B can do it in2

A does 20% less work than B. If A can complete a piece of work in71hou

1.	A does 20% less work than B. If A can complete a piece of work in71hours, then B can do it in2
A.	6 hours
B.	5 hours
Answer» C.

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A does 20% less work than B. If A can complete a piece of work in71hours, then B can do it in2

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