Question

a man running at a speed of 15km/hr.how much distance will he cover in 3 hours?​

Answer 1

Answer:

A man running at a speed of 15km/hr.

he will cover distance in 3 hours

A/q.

= 15×3

= 45km

hence,he will cover 45km in 3 hours.

I hope this will help you.

Answer 2

$\huge\boxed{\fcolorbox{green}{black}{\red{Answer}}}$

Let the time he walks be x hours

From the given condition

3(x)+9(3−x)=15⟹6x=12⟹x=2

So the time he runs is 3−2=1 hour

Distance covered by running is 1×9=9 km