甲乙两个投注站各有若干张彩票,已知甲彩票数量是乙的3倍,甲每天销售彩票12张,乙每天销售彩票8张,10天后甲的彩票为乙的5倍。问( )天后,甲的彩票是乙的...

作者: tihaiku 人气: - 评论: 0
问题 甲乙两个投注站各有若干张彩票,已知甲彩票数量是乙的3倍,甲每天销售彩票12张,乙每天销售彩票8张,10天后甲的彩票为乙的5倍。问( )天后,甲的彩票是乙的7.5倍。
选项 A.7 B.8 C.9 D.10
答案 C
解析 经过10天,甲乙彩票的关系为:3x-120=5(x-80)。求出甲乙分别有彩票300和100张。故答案为C。

相关内容:两个,投注站,张彩票,彩票,数量,销售,天后

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