钱永强书里一道题不明白，请大家帮忙！！－－急！

SuccessMBA08

If a certain grove consists of 36 tress, what was the yields per tree last year?

(1) The yield per tree for the 18 trees in the northern half of the grove was 60 kilograms last year

(2)The yield per tree for the 18 trees in the eastern half of the grove was 55 kilograms last year

答案是E，我觉得是C啊！！

[此贴子已经被作者于2008-9-2 17:56:30编辑过]

SuccessMBA08

有哪位能回答一下啊！谢谢了！

thegreatlake

1) is northern half, 2) is eastern half, they have overlaps.

answer is C if it is northern half + souther half,

SuccessMBA08

以下是引用thegreatlake在2008-9-3 4:00:00的发言：

1) is northern half, 2) is eastern half, they have overlaps.

answer is C if it is northern half + souther half,

答案给的确实是E，但我没看出有什么overlap啊！！！