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during the first trip a canoeist travels 79 miles at a certain speed. the canoist travels 24 miles on the second part of the trip at a speed of 5 mph slower. the total time for the trip is 5 hrs. what was the speed on each part of the trip

  • algebra -

    5= 79/v + 24/(v-5)
    multiply both sides by v*(v-5)

    gather terms,solve.

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