A boat can go $45 \mathrm{mph}$ in still water. It takes as long to go 60 miles upstream as it does to go downstream 90 miles. How fast is the current?
A) $3 \mathrm{mph}$
B) $1 \mathrm{mph}$
C) $8 \mathrm{mph}$
D) $9 \mathrm{mph}$

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The Answer of A boat can go $45 \mathrm{mph}$ in still water. It takes as long to go 60 miles upstream as it does to go downstream 90 miles. How fast is the current?
A) $3 \mathrm{mph}$
B) $1 \mathrm{mph}$
C) $8 \mathrm{mph}$
D) $9 \mathrm{mph}$

A Boat Can Go 45mph45 \mathrm{mph}45mph In Still Water 3mph3 \mathrm{mph}3mph B) 1mph1 \mathrm{mph}1mph

A Boat Can Go $45 \mathrm{mph}$ In Still Water $3 \mathrm{mph}$ B) $1 \mathrm{mph}$