A jet boat is used to take canoers 200 miles upriver to their starting point. As the driver of the jet boat,
Jeremy knows that it will take him 5 hours to get the canoers upstream, but only 4 hours to get the boat
back downstream after dropping the canoers off, as long as he keeps the boat moving at a constant speed.
How fast would the boat be moving in still water?
A
B
C
D
5 mph
40 mph
45 mph
50 mph