標題:

mathematics question (20)(20)(20)

發問:

After Vincy has drunk 16% of the juice in a bottle, there is 315 ml of juice left.What is the original volume of the juice?Have chinese... 顯示更多 After Vincy has drunk 16% of the juice in a bottle, there is 315 ml of juice left.What is the original volume of the juice? Have chinese solution thx......thx........thx..........thx......thx........thx..........thx......thx...........thx......thx........thx..........thx......thx........thx..........thx......thx........thx.........thx......thx........thx..........thx......thx........thx..........

最佳解答:

Let X be the original volume of the juice X(1-16%) = 315 X = 375 ml

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有兩個方法....... (English) Let y be the original volume of the juice. y X16%=315 y=315 X16/100 y=50.4 Therefore the orginal volume of juice is 50.4ml. (中文) 將原本橙汁的容量設為y y X16%=315 y=315 X16/100 y=50.4 所以原橙汁的容量是50.4毫升。 或 Let X be the original volume of the juice X(1-16%) = 315 X = 375 ml|||||(English) Let y be the original volume of the juice. y X16%=315 y=315 X16/100 y=50.4 Therefore the orginal volume of juice is 50.4ml. (中文) 將原本橙汁的容量設為y y X16%=315 y=315 X16/100 y=50.4 所以原橙汁的容量是50.4毫升。 2008-08-05 14:15:28 補充： sorry ! I have read it carelessly I will do the step again clearly (English) Let y be the original volume of the juice. y X(1-16%)=315 y=315 ÷84/100 y=375 Therefore the orginal volume of juice is 375ml. (中文) 將原本橙汁的容量設為y y X16%=315 y=315 ÷ 84/100 y=375 所以原橙汁的容量是375毫升。1C924F1C0172E337