作者cline (cline)
看板GRE_Verbal
标题[问题] 一题计量
时间Thu Jun 28 17:46:30 2007
The scale drawing of a certain room is a rectangle 5 inches
by 6 inches. If the drawing has the scale 1/4 inch to 1 foot,
which of the following give the actual number of square feet
of the room ?
ANS: 480
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 61.217.220.193
1F：推 OdysseyGRE:[原本面积=(5*6)]*4*4=480 218.166.206.3 06/28 18:03
2F：推 brightbeach:楼上高人，您可以稍稍解释一下吗？XD 61.217.220.193 06/28 20:22
3F：→ brightbeach:感谢!!:D 61.217.220.193 06/28 20:22
4F：推 fan0106:重点在这句the scale 1/4 inch to 1 foot 218.167.150.85 06/28 20:31
5F：→ fan0106:所以实际图上5inch代表5除以1/4=5*4 218.167.150.85 06/28 20:31
6F：→ fan0106:以此类推图上6inch=6*4 feet~~ 218.167.150.85 06/28 20:32
7F：→ fan0106:故5*6*4*4=480 我想是这样来的~~ 218.167.150.85 06/28 20:33
8F：→ brightbeach:感谢高人指点～～ 61.217.220.193 06/28 22:47