急求一道數學題，謝謝！！！

g7a7q1m1 · 发表于 2010-2-11 22:42:49

the table shows the number of shares of each of the 5 stocks owned by mr.sami. If Mr.sami was to sell 20 shares of stock X and buy 24 shares of stock Y, what would be the increase in the range of the numbers of shares of the 5 stocks owned by sami?

stock number of shares
V 68
W 112
X 56
Y 94
Z 45

kingapple25 · 发表于 2010-2-11 22:49:33

变化后-变化前=82-67=15

true · 发表于 2010-2-13 09:30:46

具体来说,就是先看变化前的最大值减去最小值.

然后变化后,还是最大值减去最小值.

最后这两个的差值就是结果了.

急求一道數學題，謝謝！！！

所属分类: GMAT考试

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