Question

a boat goes 30 km downstream in 5 hours and 24 km upstream in 6 hours find the speed of the boat in still water.​

Answer 1

let

boat speed y km per hour

water speed x km per hour

X+Y= 30/5=6

X-Y=24/6=4

X+Y=6

X-Y=4

2X=2

X=1

Y=5 km /hour