Answer: distance travelled in one rotation is the circumference of the tyre.
so
a. 1 rotation=pi×20.8
=22×20.8/7
=65.37 approx
b.5 rotations is 65.37×5
=325.86 aprox
c. 30 rotations is 30×65.37
=1961.14 inches aprox
Explanation:
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