某渔场计划购买甲、乙两种鱼苗共6000尾,甲种鱼苗每尾0.5元,乙种鱼苗每尾0.8元.

4个回答

  • 设甲鱼苗x尾,乙鱼苗(6000-x)尾

    (1)0.5x+0.8(6000-x)=3600

    解得x=4000

    所以甲鱼苗4000尾,乙鱼苗2000尾

    (2)0.5x+0.8(6000-x)=2000(且x