Question

A motorboat takes 5 hours to travel 500 km up stream the return trip takes 4 hours going down stream. What is the rate of the boat in still water? And what is the rate of the current

Answer 1

Answer: 25 km

Explanation:

500 km / 5 = 100 km up stream

500 km / 4 = 125 km down stream

125 - 100 = 25 km in still water