标题: PREP 6 一道数学题(求助!!) [打印本页] 作者: GMAT760!! 时间: 2019-9-14 13:32 标题: PREP 6 一道数学题(求助!!) For each trip, a taxi company charges a fixed fee of $2.00 plus $0.75 for each mile or fraction of mile. If, for every number x, is defined to be the least integer greater than or equal to x, then which of the following represents the company’s charge, in dollars, for a trip that is r miles long?
这题大家的思路是什么啊? 求助求助!!