中文:小明每天走路上學。如果他走的速度是80米每分鐘,他會早6分鐘回校。如果他走的速度降為50米每分鐘,他會遲到3分鐘回校。問學校與家中的距離。
English: Ming Ming walks to school everyday. If he moves at the rate of 80 meters per minute, he could arrive at school 6 minutes too early. Should he move at 50 meters per minutem he would be late by 3 minute. How far away is the school from home?