标题: 求问一道GWD的数学题(PS题) [打印本页] 作者: 小炎炎 时间: 2017-1-1 17:18 标题: 求问一道GWD的数学题(PS题) A retailer bought a machine at a wholesale price of $90 and later on sold it after a 10% discount of the retail price. If the retailer made a profit equivalent to 20% of the wholesale price, what is the retail price of the machine?