推 pupudice : 稅 = 9% 盈餘 = 18% 所以價格 = 成本 * 1.27 (127%) 05/02 11:55
→ pupudice : 價格 = 254 -> 254 / 1.27 = cost = 200 05/02 11:55
→ pupudice : 254 - 200 = 54, 稅和盈餘比 = 9:18 = 1:2 05/02 11:58
→ pupudice : 稅 = 18 盈餘 = 36 05/02 11:58
推 pupudice : 這應該小學高年級題目吧xD 05/02 12:03
→ e04dragon : 小六基準量比較量那單元有類似題目254/(1+9%+18%) 05/02 12:20
→ peter015 : 謝謝 05/02 22:05