智力测试题 英语
I only have two minutes to catch a train,but there are two miles from my house to the train station.If I go the first mile at therate of45 miles per hour,at what rate must I go the second mile in order to catch the train?
人气：363 ℃ 时间：2020-03-31 09:48:41
解答
45 miles per hour 就是0.75mile每分钟,所以第一英里,他用了1分20秒
剩下40秒,要走一英里,速度就是每分钟1.5英里,也就是90miles per hour
答案90 Miles/h
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