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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:

单选题
2022-01-11 15:40
A、3种
B、4种
C、5种
D、6种
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正确答案
A

试题解析
设搭配A类型个,则搭配B类型个,根据题意可得:,解得;,解得,从而有,即有31、32和33三种可能,因此搭配方案共有3种。故正确答案为A。

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