Maths Help !!!

2008-02-20 6:54 am
絲帶200條,其中有Green 45條,Blue 5條,其餘的都是Red。

a)Blue 比 Green 少百分之幾?(取值至十分位)

回答 (2)

2008-02-20 5:35 pm
✔ 最佳答案
Green = 45
Blue = 5
Red = 200 - 45 - 5 = 150

a) Blue = 5 /200 X100% = 2.5%
Green = 45 / 200 X 100% = 22.5%

Therefore, Blue 比 Green 少 (22.5-2.5)% = 20%
參考: me
2008-02-24 5:14 am
(5-45)/5 x100%
= -40 x20%
= -80%

decrease80%
參考: 我


收錄日期: 2021-04-13 15:10:58
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