maths...F.1..Help,please

2007-02-19 8:17 pm
Please help me to answer the question.
If you do not know the answer,please answer no.

1.For every $1 profit,A gets $0.2,B gets $0.5 and Cgets the rest.If the profit is $3200,how much does C get?

2.A piece of land of area 1320m is divided among X,Y and Z.The ratios of their shares are X:Y=2:3 and Y:Z=1:2.Find the area of Y's land.

回答 (2)

2007-02-19 8:23 pm
✔ 最佳答案
1) The ratio of the profit they get
A:B:C = 0.2 : 0.5 : 0.3
=2:5:3
If the profit is $3200, C gets
=$ 3200x(3/10)
=$ 320x3
=$ 960
2)The retio of the shares of X,Y,Z
X:Y:Z
2:3
_ 1 : 2
2:3 : 6
X:Y:Z = 2:3:6
the area of Y's land
=1320x(3/11)
=360 m

2007-02-19 12:25:15 補充:
area should be use m^2

2007-02-19 12:26:00 補充:
ratio is a, not e.typing mistake...
2007-02-19 8:24 pm
I don't know you say what,all is English


收錄日期: 2021-04-12 20:24:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070219000051KK01098

檢視 Wayback Machine 備份