回答以下問題，加上清楚的列式!!!
1. Sophia is 28 years youngerthan Dick. Gary is 1/4 the age of Sophia. Maria
is 18 years older than Gary. If Maria is 28, how old is Dick?
Maths!!!
2008-06-15 7:57 pm
回答 (3)
2008-06-18 2:24 pm
✔ 最佳答案
Let x be the number of age of Dick.Age of Sophia=x-28
Age of Gary=(x-28)/4
Age of Maria=(x-28)/4+18=28
Therefore, we have to solve (x-28)/4+18=28
x=68
Dick is now 68 years old.
參考: My Knowledge on Mathematics
2008-06-15 8:40 pm
Dick is 68 years old.
收錄日期: 2021-04-13 15:42:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080615000051KK00806