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19 January, 20:20

A Boeing 747 airplane takes about 4.75 hours to fly 2,475 miles from New York City to Los Angeles. About how many hours will it take the Boeing 747 to fly 5,470 miles from Los Angeles to Tokyo?

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  1. 19 January, 20:47
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    So we know that speed is distance/time or:

    v=d/t

    So then we know that it can travel 2475miles in 4.75 hours, so then lets find its speed:

    v=d/t=2475/4.75 = approx 521.05mph

    So then if we know its speed and we know the distance we can re-arrange for the time:

    v=d/t = > t=d/v

    So then: t=5470/521.05

    = approx 10.5 hours
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