Asked by Ann

A bike wheel has a radius of 40 inches. If Mary rides the bike 1 mile (63,360mi.), approximately how many times has the wheel rotated?
Answered by Ms. Sue
Are you sure? I've never seen a bike with a wheel diameter of almost 7 feet.


Answered by Jenny
4.01449x10^9 inch is One Mile

(4.01449x10^9) / 40 =

100,362,250 wheel rotations in one mile
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