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标题: 一道GMATPrep上的题 [打印本页]

作者: taohuaxianzi 时间: 2006-7-1 07:37 标题: 一道GMATPrep上的题

When a certain tree was first planted, it was 4 feet tall, and the height of the tree increased by a constant amount each year for the next 6 years. At the end of the 6th year, the tree was 1/5 taller than it was at the end of the 4th year. By how many feet did the height of the tree increase each year?

answer: 2/3

what does it meant when it says "the tree was 1/5 taller than it was at the end of the 4th "?

请教思路。谢谢。

作者: stevegt 时间: 2006-7-1 12:48

意思是第六年末树的高度比第四年的高度高了1/5.

作者: taohuaxianzi 时间: 2006-7-4 06:58

thanks !!!!

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