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.
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