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A Boat Can Go 90mph90 \mathrm{mph} In Still Water 1mph1 \mathrm{mph} B) 9mph9 \mathrm{mph}

Question 37

Multiple Choice

A boat can go 90mph90 \mathrm{mph} in still water. It takes as long to go 630 miles upstream as it does to go downstream 720 miles. How fast is the current?


A) 1mph1 \mathrm{mph}
B) 9mph9 \mathrm{mph}
C) 5mph5 \mathrm{mph}
D) 6mph6 \mathrm{mph}

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