A salesperson received a 6-percent commission on the amount of total sales up to and including $10,000, and an r-percent commission on the amount of total sales over $10,000.  If the salesperson received a total commission of $920 on total sales of $14,000, what was the value of r?


3.2

4.3

6.6

8.0

9.2

考题讲解
还没有题目讲解(毕出老师会陆续发布对官方考题的解读,请保持关注)。

登录注册 后可以参加讨论

GMATLA-PS