某县筹备县庆,园林部门决定利用现有的3490盆甲种花卉和2950盆乙种花卉搭配A、 B两种园艺造型共50个摆放在迎宾大道两侧。已知搭配一个A种造型需甲种花...

作者: rantiku 人气: - 评论: 0
问题 某县筹备县庆,园林部门决定利用现有的3490盆甲种花卉和2950盆乙种花卉搭配A、 B两种园艺造型共50个摆放在迎宾大道两侧。已知搭配一个A种造型需甲种花卉80盆,乙种花卉40盆;搭配一个B种造型需甲种花卉50盆,乙种花卉90盆,则搭配方案共有_ A.3种 B.4种 C.5种 D.6种
选项
答案 A
解析 设搭配A种造型x个,B种造型(50-x)个,则有80x+50 (50-x)≤3490,40x+90 (50-x)≤2950,解得31≤x≤33,即x有31、32、33 种可能,则搭配方案共有3种

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