GRE数值比较(官方题库Barron)每日一题 第20期
日期:2014-10-20 17:03

(单词翻译:单击)

GRE数值比较试题

参考答案

正确答案:

according to the question, we know that the perimeter of the rectangular is "30"

and the are is "54"

Therefore, we can set the longer side of the are equal to x and the short side is y

Then xy=54 and 2(x+y)=30

we can get that x=9 or 6 and y=6 or 9

Hence, we know that the lnoger side is 9!

>>B

分享到
重点单词
  • quantityn. 量,数量,大量
  • determinedadj. 坚毅的,下定决心的