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[Problem Solving]

试题详情

题目:

Three-fourths of the area of a rectangular lawn 30 feet wide by 40 feet long is to be enclosed by a rectangular fence. If the enclosure has full width and reduced length rather than full length and reduced width, how much less fence will be needed?

选项:

A、
B、5
C、10
D、15
E、20

答案:

B

提问:

这道题意思是什么呢?解答思路是什么呢?

解答:

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阅读1110
解答: 徐小梅

提问:

这道题意思是什么呢?解答思路是什么呢?

解答:

点赞0
阅读1111
解答: 徐小梅老师

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