A Boat Travels 45 Miles Up the River in the Same

Multiple Choice

A boat travels 45 miles up the river in the same amount of time it takes to travel 85 miles down the same river. If the current is 4 miles per hour, what is the speed of the boat in still water? d r t Upstream Downstream

A) 4 miles per hour
B) 6.5 miles per hour
C) 10 miles per hour
D) 13 miles per hour
E) 7 miles per hour