Math, asked by purnima9795, 1 year ago

A boat takes 2 hours to travel 8km downstrea

Answers

Answered by Deekshii1

time = distance/velocity
when in the direction of current velocity = 8+4= 12
t1= 8/12 = 2/3 hr
when against the current velocity 8-4 = 4
t2= 8/4 = 2 hr.
total time = 2+ 2/3 = 8/3 hrs. = 2 hrs&40 minutes

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