A race track is in the form of a ring whose inner circumference is 220 m and outer circumference is 308 m. Find the width of the track.

A race track is in the form of a ring whose inner circumference is

1.	A race track is in the form of a ring whose inner circumference is 220 m and outer circumference is 308 m. Find the width of the track.
A.	12 m
B.	13 m
C.	14 m
D.	15 m
Answer» D. 15 m

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A race track is in the form of a ring whose inner circumference is 220 m and outer circumference is 308 m. Find the width of the track.

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