Math

A model plane flies 18 ft per 2 seconds. What is the planes speed in miles per hour? Round to the nearest tenth.

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  1. 18/2 = x/3600

    2x = 64,800
    x = 32,400 feet per hour

    32,400/5,280 = 6.136 = 6.1 mph

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    Ms. Sue

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