If a man covers \(\dfrac{4}{5}^{\rm th}\) part of a circular track in m minutes, at the same rate, how many minutes does he take to complete one revolution around the entire track?

If a man covers \(\dfrac{4}{5}^{\rm th}\) part of a circular track i

1.	If a man covers \(\dfrac{4}{5}^{\rm th}\) part of a circular track in m minutes, at the same rate, how many minutes does he take to complete one revolution around the entire track?
A.	\(\dfrac{4 m}{4}\) minutes
B.	\(\dfrac{4 m}{5}\) minutes
C.	\(\dfrac{5m }{4}\) minutes
D.	\(\dfrac{m}{4}\) minutes
Answer» D. \(\dfrac{m}{4}\) minutes

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If a man covers \(\dfrac{4}{5}^{\rm th}\) part of a circular track in m minutes, at the same rate, how many minutes does he take to complete one revolution around the entire track?

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