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Mathematics, 20.07.2019 23:30, rjsimpson73
Aboat traveled upstream a distance of 90 miles at an average speed of (v-3) miles per hour and then traveled the same distance downstream at an average of (v+3) miles per hour. if the trip upstream took half an hour longer than the trip downstream, how many hours did it take the boat to travel downstream?
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Aboat traveled upstream a distance of 90 miles at an average speed of (v-3) miles per hour and then...
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