Mr.Cheung spend 五分之二 or his income on food,二十分之七 on rent,四分之一 on other expenditure and save the rest.If he save $1600 each month, what is his monthly income?
請附解釋，Thank you!!!!!!!!!!!!!!!!!
好easy~
2007-08-05 4:12 am
回答 (1)
2007-08-08 5:15 am
✔ 最佳答案
let the monthly income be q(1-(2/5)-(7/20)-(1/4))q = $1600
(1-(8+7+5)/20) q = 1600
0 = 1600
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收錄日期: 2021-04-13 00:56:55
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