請用中文詳細解釋,thx
更新1:
要全式!!
數學題,急...
回答 (2)
2006-12-28 4:45 am
✔ 最佳答案
A is 20% more than B, what percentage of A is B??設B是X﹐則A是1.2X
若A是Y
則
1.2X=Y
X=Y/1.2=0.8333
所以
B是A的83.333%
2006-12-28 5:13 am
A=1.2B
percentage
=B/(1.2B) * 100%
=83 & 1/3 %
(百分之83又3分1)
percentage
=B/(1.2B) * 100%
=83 & 1/3 %
(百分之83又3分1)
收錄日期: 2021-04-25 16:49:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061227000051KK01860