作者joannepu1110 (花花儿)
看板GRE_Verbal
标题[计量] 请教一题计量
时间Thu Jul 31 18:45:37 2008
The toll for a certain bridge is $0.15 or 1 token. Tokens are sold in packs of
40 for $4.00.
The percent saved on 40 trips across the bridge if a token,
rather than $0.15, is used to pay each toll
跟
66 2/3%
比大小
为什麽是66又3分之2比较大啊????
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1F：推 david31408:意思就是说XX% OFF118.168.197.128 08/01 00:33