Find the ratio a:b:c in each if the following:
1. a= 2/3 b and 4b=3c
2. 1/2 a = 4/3 b =5/6 c
the answer of 1 and 2 are 2:3:4 and 40:15:24, but I want to know the steps
thank you
2 ratio problems (urgent)
2010-03-03 1:07 am
回答 (3)
2010-03-03 1:25 am
✔ 最佳答案
1) a= 2/3 ba/b=2/3
a:b=2:3
4b=3c
b/c=3/4
b:c=3:4
a:b= 2:3
b:c= 3:4
a:b:c=2:3:4
2) 1/2 a = 4/3 b =5/6 c *6
3a=8b=5c
3a=8b
3/8=b/a
a:b=8:3
8b=5c
8/5=c/b
b:c=5:8
a:b= 8:3
b:c= 5:8
a:b:c=40:15:24
參考: me
2010-03-03 1:40 am
1. a=2/3b, 即a:b=2:3
4b=3c, 即b:c=3:4
所以a:b:c=2:3:4
2. 1/2a=4/3b, 即a:b=8:3=40:15
4/3b=5/6c, 即b:c=5:8=15:24
所以a:b:c=40:15:24
4b=3c, 即b:c=3:4
所以a:b:c=2:3:4
2. 1/2a=4/3b, 即a:b=8:3=40:15
4/3b=5/6c, 即b:c=5:8=15:24
所以a:b:c=40:15:24
收錄日期: 2021-04-15 23:09:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100302000051KK00891