数学JJ－258

258.      有manager 跟 engineer 他們的annual salary 個別是X 和Y
        

問兩者小於X+Y/2?

1.      MANAGER人比ENGINEER多

2.      ENGINNER 比MANAGER 每年多2000

请问怎么做啊？

answer shoule be B

(a)就算MANAGER人多，但是如果X=Y，then x=y=(x+y)/2

(b)y=x+2000. so x is less than (x+y)/2, y is greater than it.