algebra

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A private plane leaves an airport and flies due east at 192 miles per hour. Two hours later, a jet leaves the same airport and flies due east at 960 miles per hour. How long will the private plane fly until it is passed by the jet?

  • algebra -

    960t - 192(2) = 192t
    960t - 384 = 192t
    -384 = 192t -960t
    -384 = -768t
    t = .5
    .5 hour
    1/2 hour

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