Algebra

The Connecticut River flows at a rate of 3 km / hour for the length of a popular scenic route. If a cruiser to travels 3 hours with the current to reach a drop-off point, but the return trip against the same current took 7 hours. Find the speed of the boat without a current?

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  1. since distance = speed * time,

    3(x+3) = 7(x-3)

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