If Peter is 20% heavier than Raymond,by what percentage
is Raymond lighter than Peter?
ANS:16.67%
THANKS 列步驟
SIMPLE MATHSX1..
2009-09-17 10:58 pm
回答 (1)
2009-09-17 11:30 pm
✔ 最佳答案
Let Peter be weight x,then Raymond be x/(1.2).[x- (x/1.2)]/x x100%
=16.7%
Raymond lighter than Peter 16.7%.
收錄日期: 2021-04-23 20:40:31
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090917000051KK00623