1) In a bag, there are red balls, blue balls and white balls. The number of red balls is twice that of blue balls, and the number balls is twice that of white balls . Find the following ratos.
a) Number of red balls: Number of white balls
b) Number of red balls: Number of blue balls : Number of white balls
c) Number of blue balls: Total number of balls
MATHS""20FUN
2007-11-03 10:11 pm
回答 (1)
2007-11-03 10:29 pm
✔ 最佳答案
2red =1blue2blue=1white
4red=2blue=1white
a)4:1
b)4:2:1
c)2:7 (Total number of balls=4+2+1)
參考: Me
收錄日期: 2021-04-13 14:19:30
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071103000051KK01948