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28 March, 22:46

The diameter of a bicycle wheel is 2 feet. About how many revolutions does the wheel make to travel 2 kilometers? Explain. Hint 1 km = 3280ft.

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  1. 28 March, 22:53
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    We can work out the circumference of the wheel by using the equation

    C = πd

    C = π * 2

    C = 6.28318530718

    C = 6 feet

    If 1km is 3280 feet, 2km is 6560 feet

    6560 : 6 = 1093.33333333 (recurring)

    = 1093

    Therefore the bike wheels rolls (approximately) 1093 times to cover 2km.
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