jasmin1919 jasmin1919

04-04-2017
Mathematics

contestada

The wheel of a bicycle has a diameter of 27in. How many revolutions of the wheel would it take to bike 3 miles?

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armada120 armada120

04-04-2017

Circumference = pi * diameter = 3.14 * 27 = 84.8 inches per revolution

5280 feet in a mile, 12 inches in a foot

3 miles = 3 * 5280 * 12 = 190080 inches

190080 / 84.8 = 2241.5 revolutions

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