SOLUTION: A boat on a river travels downstream between two points, 80 mi apart, in 1 h. The return trip against the current takes 2.5 hours. What is the boat's speed (in still water)?

Question 1190121: A boat on a river travels downstream between two points, 80 mi apart, in 1 h. The return trip against the current takes 2.5 hours.
What is the boat's speed (in still water)?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A boat on a river travels downstream between two points, 80 mi apart, in 1 h. The return trip against the current takes 2.5 hours.
What is the boat's speed (in still water)?
-----------------
Find the 2 speeds, downstream and upstream.
The boat's speed is the average of the 2.
RELATED QUESTIONS
A boat on a river travels downstream between two points, 80 mi apart, in 1 h. The return... (answered by ikleyn)

A boat on a river travels downstream between two points, 80 mi apart, in 1 h. The return... (answered by Alan3354,ikleyn)

A boat on a river travels downstream between two points, 10 mi apart, in one hour. The... (answered by richwmiller,lwsshak3)

A boat on a river travels downstream between two points, 20 mi apart, in one hour. The... (answered by checkley71)

A boat on a river travels downstream between two points, 60 mi apart, in one hour. The... (answered by scott8148)

A boat on a river travels downstream between two points, 20 miles apart, in one hour. The (answered by ikleyn,richwmiller)

A boat on a river travels downstream (with the current) between two points 20 miles... (answered by lwsshak3)

I had a word problem on a test involving Matrices, determinants and Cramer's Rule. I... (answered by Fombitz,bucky)

A woman paddling a canoe downstream with the river current travels 20 miles in 2 hours.... (answered by TimothyLamb)