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March 28, 2017

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One boat travels 10km/h faster than another. Which one boat travels 120 km, the other travels 155 km. Find their speeds.

  • Algebra - ,

    rate of slow boat -- x km/h
    rate of fast boat --- x+10 km/h

    Your questions suggests they travelled the same time

    120/x = 155/(x+10)

    solve for x

  • Algebra - ,

    55

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