How much time does he take to walk a distance of 15 km?
A boy walks at a speed of 3 kmph.
— Baring any other obstacles. You're basically dividing 60 min by 4 and multiplying by 3.
60 min
÷ 4
= 15 min
× 3
= 45
Therefore, it will take the boy 45 minutes to travel 3 kilometres.
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