A boat takes a long trip traveling 140 miles downstream in 7 hours. The return trip upstream takes 10 hours. Let b be the rate of the boat in still water in miles per hour and let c be the rate of the current in miles per hour. Determine the two equations of the system described here.
Solve the system by the method of substitution. Interpret the solution.
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The boat goes 17 m...View Answer
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