车库中停放着若干辆两轮摩托车和四轮小汽车,车的辆数与车轮数之比为2:5。问摩托车的数量与小汽车的数量之比为多少?(  ) A.3:1 B.1:3 C...

作者: tihaiku 人气: - 评论: 0
问题 车库中停放着若干辆两轮摩托车和四轮小汽车,车的辆数与车轮数之比为2:5。问摩托车的数量与小汽车的数量之比为多少?(  ) A.3:1 B.1:3 C.4:1 D.1:4
选项
答案 A
解析 根据题意设摩托车、小汽车的数量分别为x、Y,则(x+y):(2x+4y)=2:5,解得x:y=3:1。

相关内容:车库,中停,摩托车,小汽车,车轮,数之,数量

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