Question

A school boy walks from his house to school at the rate of 4kmph he reaches the school 20minutes earlier than the schedule Time if he walks at the rate of 3kmph he reaches the school 20minutes late what is the distance of the school from his house

Answer 1

Hi ,hope this may help u

Answer 2

Answer:

X/3-X/4=(20+20)/60..........4X-3X=2*12/3........DISTANCE=X=8