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21 February, 05:30

The tires on your bicycle have a diameter of 9 inches. How many rotations does each tire make when you travel 300 feet. Round your answer to the nearest whole number

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  1. 21 February, 08:56
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    127

    Step-by-step explanation:

    The diameter in feet is ...

    (9 in) · (1 ft) / (12 in) = 9/12 ft = 0.75 ft

    Then the circumference is ...

    C = πd = 3.14159·0.75 ft ≈ 2.3561925 ft

    The number of rotations in 300 ft is ...

    (300 ft) / (2.3561925 ft/rotation) ≈ 127.32 rotations

    The tires make about 127 rotations when you travel 300 feet.
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