生活中的常識(數學) - 生活
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By Doris
at 2009-05-21T00:00
at 2009-05-21T00:00
Table of Contents
某公司為促銷礦泉水,提出甲 乙 丙三個降價方案 甲案為買五送一 乙案為打八折 丙案容量增加百分之二十而價格不變 則哪一個方案降價為多
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生活
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By Tristan Cohan
at 2009-05-21T09:10
at 2009-05-21T09:10
買一瓶 :
甲需要5/6x元
乙需要4/5x元
丙需要5/6x元
(其實設未知數沒什麼意義...)
答 :乙方案
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By Edward Lewis
at 2009-05-25T05:23
at 2009-05-25T05:23
甲
(100*10)=1000
2(5+1)=12
12*10=120
1000-120=880(利潤)
乙
100*10*0.8=800(利潤)
丙
10*20%=2(需多給的容量等於2瓶)
100*10=1000
12*10=120
1000-120=880(利潤)
因為比的是降價,也就是說賺的比較少
所以是乙降比較多
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By Ivy
at 2009-05-24T13:48
at 2009-05-24T13:48
題目給予條件好少= ="
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