1999 AMC 8 第 12 题
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12.
中学小将队赢的场数与输的场数之比为 ，没有平局。四舍五入到最接近的整数百分比，这支队输了百分之多少的比赛？
The ratio of the number of games won to the number of games lost (no ties) by the Middle School Middies is To the nearest whole percent, what percent of its games did the team lose?
小提示：
把 胜 负看作一组
Use wins and losses as one batch
大提示：
输掉的比例是输的场数除以总场数
The lost fraction is losses over total games
解答：
可以把这支队看成每 场比赛中赢 场、输 场。
输掉的百分比为 。
所以正确答案是 B。
The team can be viewed as winning games and losing games in each batch of games.
The percent lost is .
Thus, B is the correct answer.
其他年份的第 12 题
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- 1986 AMC 8
- 1987 AMC 8
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- 1989 AMC 8
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