Mathematics, 30.12.2021 05:30 cmaya
A boat has a speed of 9 miles per hour in calm water. It takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. Which equation can be used to find c, the speed of the current in miles per hour? 2(9 â€" c) = 4(9 c) 9 c = 4(9 â€" c) 9 â€" c = 2(9 c) 4(9 â€" c) = 2(9 c).
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A boat has a speed of 9 miles per hour in calm water. It takes the boat 4 hours to travel upstream b...
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