The speed of a stream is $6 \mathrm{mph}$. If a boat travels 56 miles downstream in the same time that it takes to travel 28 miles upstream, what is the speed of the boat in still water?
A) $20 \mathrm{mph}$
B) $12 \mathrm{mph}$
C) $21 \mathrm{mph}$
D) $18 \mathrm{mph}$

Question

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The Answer of The speed of a stream is $6 \mathrm{mph}$. If a boat travels 56 miles downstream in the same time that it takes to travel 28 miles upstream, what is the speed of the boat in still water?
A) $20 \mathrm{mph}$
B) $12 \mathrm{mph}$
C) $21 \mathrm{mph}$
D) $18 \mathrm{mph}$

The Speed of a Stream Is 6mph6 \mathrm{mph}6mph If a Boat Travels 56 Miles Downstream in the a Boat

The Speed of a Stream Is $6 \mathrm{mph}$ If a Boat Travels 56 Miles Downstream in the a Boat