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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

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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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

User Testuser
by
7.9k points

1 Answer

5 votes
С = πd = 3.14 * 20 = 62.8 in

1 ft = 12 in ⇒ 100 ft = 1200 in

1200/62.8 ≈ 19 revolutions


User Stuckey
by
8.0k points
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