标题: 求助OG 13th的数学60题 多谢 [打印本页] 作者: aka1219 时间: 2013-8-30 11:31 标题: 求助OG 13th的数学60题 多谢 On a certain day, orangeade was made by mixing a certain amount of orange juice with an equal amount of water. On the next day, orangeade was made by mixing the same amount of orange juice with twice the amount of water. On both days, all the orangeade that was made was sold. If the revenue from selling the orangeade was the same for both days and if the orangeade was sold at $0.60 per glass on the first day, what was the price per glass on the second day?
求解答案说的2:3怎么得来的?作者: 贝贝不是受 时间: 2013-8-30 15:27
刚好在看og的cr, 就翻到前面看看这道题,假设第一天第二天的浓缩果汁是1份.那么
第一天:1:1(果汁:水) 0.6 per glass 等比例所卖果汁是2份
第二天:1:2 x per glass 等比例所卖果汁是3份