how many seconds will it take for a car that is travel at a constant rate of 45 miles per hour to travel a distance of 22 yards (1 mile=1160yards)
就这道破题,我耗了很久,楞是没找到能对的上的答案,大家算算,是不是我又脑瘫啊!
答案是10
我的思路是 :45*1160/3600=22/x x=1.5左右
举报
没错啊
时速45MILES 45*1160/3600=14.5 每秒跑14.5码
跑22码就是1.5秒啊
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards? (1 mile = 1,160 yards) A. 8B. 9C. 10D. 11E. 12http://www.urch.com/forums/gmat-problem-solving/20107-tough-math-questions-set-1-a-2.html
http://www.urch.com/forums/gmat-problem-solving/96824-calculation-problems.html
均认为答案有误,不必再纠结了,掌握方法就好
去http://www.testmagic.com/ 搜索很方便
见LS
FIGHTING 连一英里等于1760码都知道 太强了!!
不过这么算出来 也是1秒 不是10秒,你想啊 速度更快了
彻底晕倒!!!
我在21GMAT模的……太无语了,居然有这种错误,我摸的时候算了狂多时候,摸好后又算了N久,谢谢楼上的两位
127MM你换头像了啊?
hang13的红色脑瓜每次看到都记忆深刻……
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