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College Algebra

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Ken and Kara are 27 miles apart on a caml lake paddling toward each other. Ken paddles at 4mph, while kara paddles at 7 mph. How long will it take them to meet?

  • College Algebra - ,

    let Ken paddle x miles, then
    Kara paddles 27-x miles

    time for Ken = x/4
    time for Kara = (27-x)/7

    When they meet, each would have paddles the same time, so
    x/4 = (27-x)/7

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