Mathematics, 05.09.2020 22:01 caldonia2018
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? A. 2(9 – c) = 4(9 + c) B. 9 + c = 4(9 – c) C. 9 – c = 2(9 + c) D.4(9 – c) = 2(9 + c) I am testing, pleas
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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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