Question

A boat takes 6 hours to travel 36 km downstreet and 24 km upstreet . It takes 9 hours to travel 48 km down Street and 40 km upstreet find the
speed of boat and still water

Answer 1

hope this helps edits are welcome

Answer 2

boat time=6 hr
boat distance downstreet=36
boat speed=d/t
=36/6
=6 km/hr

boat time =9 hr
boat distance downstreet=48km
boat speed =48/9
=5.33km/hr

boat time=6hr
boat distance upstreet=24
boat speed=24/6
=4km/hr

boat time =9hr
boat distance up street=40
boat speed =9/40
=4.44km/hr
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