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中三數學問題 [ 關於% ]

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中三數學問題 :Mr.Cheung bought in 10000 units of a fund at a unit price of $2.8 two years ago.The unit prices of the fund increased by 5% in the first year and 10% in the second year. (A)Find the average anit price of the fund at present. (B)Find the % change in the unit price of the fund. (C)What is the total value... 顯示更多 中三數學問題 : Mr.Cheung bought in 10000 units of a fund at a unit price of $2.8 two years ago. The unit prices of the fund increased by 5% in the first year and 10% in the second year. (A)Find the average anit price of the fund at present. (B)Find the % change in the unit price of the fund. (C)What is the total value of fund owned by Mr.Cheung at present ? 請列出式及步驟。 model answer : (a)3.324 (b)15.5% (c)32340 謝謝

最佳解答:

(a) 2.8 x 1.05 x 1.1 = 3.324 (b) 1.05 x 1.1 -1 = 15.5% (c) 10000 x 2.8 1.05 x 1.1 = 32340 2007-01-02 16:07:36 補充： (c) 10000 x 2.8 x 1.05 x 1.1 = 32340

其他解答:0D7DAC4E6DF60DFA
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