Question

A boat travels straight down a river at a speed of 15m/sec. if the boat travels a distance of 34.1km how long was the boat ride

Answer 1

The time of the boat trip

$$t=\frac{d}{v}=\frac{34.1\times1000\:\rm m}{15\:\rm m/s}=2273\: \rm s=37.9\: min$$