About how many revolutions must a 20-inch diameter wheel make in order to travel a distance of 100 feet? A.1 1/2 B. 5 C. 9 1/2 D. 19

asked Oct 27, 2018 161k views

4 votes

About how many revolutions must a 20-inch diameter wheel make in order to travel a distance of 100 feet?

A.1 1/2
B. 5
C. 9 1/2
D. 19

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5 votes

С = πd = 3.14 * 20 = 62.8 in

1 ft = 12 in ⇒ 100 ft = 1200 in

1200/62.8 ≈ 19 revolutions

Stuckey answered Oct 31, 2018

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