Sam used to walk to school every morning and it takes him 20

Last updated: 6/9/2023

Sam used to walk to school every morning and it takes him 20 min Once on his way he realized that he had forgotten his homework notebook at home He knew that if he continued walking to school at the same speed he would be there 8 min before the bell so he went back home for the notebook and arrived the school 10 min after the bell If he had walked all the way with his usual speed what fraction of the way to school had he covered till the moment he turned back a 8 20 c 10 20 b 9 20 d 12 20