神马作文网一道sat数学题 感激不尽!
来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/11 04:34:45
一道sat数学题 感激不尽!
A fitness center purchased a number of exercise machines :4 costing $1700 each,8 costing $1300 each,and x costing $1200 each,where x is a positive odd integer.if the median price for all the exercise machines purchased by the fitness center was $1300,what is the greatest possible value of x
11的时候median不是就变成1250了吗？
A fitness center purchased a number of exercise machines :4 costing $1700 each,8 costing $1300 each,and x costing $1200 each,where x is a positive odd integer.if the median price for all the exercise machines purchased by the fitness center was $1300,what is the greatest possible value of x
11的时候median不是就变成1250了吗？
中位数是1300,则因为有8个1300及4个比中位数大的1700
因此
因此