2台電腦的售價之比為5:7.若較昂貴的電腦售價$8400,求較便宜的電腦售價.
個答案係$6000
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2010-10-04 3:00 am
回答 (2)
2010-10-04 3:06 am
✔ 最佳答案
x/8400=5:7x=5
when8400=7
8400/7=1200
1200*5=6000
2010-10-04 8:00 am
設較便宜的電腦售價為$x.
x/5*7 = 8400
x/5 = 1200
x = 6000
較便宜的電腦售價是$6000
x/5*7 = 8400
x/5 = 1200
x = 6000
較便宜的電腦售價是$6000
收錄日期: 2021-04-19 23:26:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101003000051KK01436