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标题: gwd-3-14滔滔 [打印本页]

作者: cournot 时间: 2006-7-11 12:30
标题: gwd-3-14滔滔

Q14: 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) V=45*1160/3600 yards per second

A. 8

B. 9

C. 10

D. 11

E. 12

这个题怎么算出来10？

作者: silviaqiu 时间: 2006-7-16 02:24

同问!!!

作者: singledream 时间: 2006-7-16 06:01

作者: graceguo98 时间: 2009-2-19 01:21

同问？

作者: kevin_h2008 时间: 2009-2-19 14:10
1mile=1760yards

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