Question

A man covers a distance of 15km in 3 hours partly by walking and partly by riding if he walks at 3km per hour and rides at 9km per hour then find the distance he covered by riding​

Answer 1

Answer:

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Step-by-step explanation:

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