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March 26, 2017

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Abby rows 10 km upstream and 10 km back in a total time of 3 hr. The speed of the river is 5km/h. Find Abby’s speed in still water.

  • applications involving quadratic - ,

    she went the same distance.

    (v+5)3=(v-5)10)

    3v+15=10v-50
    7v=65
    v=65/7 km/hr

    What does this have to do with quadratics?

  • applications involving quadratic - ,

    thats what my mathbook said. That why I needed help thank you bobpursley.

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