小丁每天从某报社以每份0.5元买进报纸200份,然后以每份1元卖给读者,报纸卖不完,当天可退回报社,但报社只按每份0.2元退给小丁,如果小丁平均每天卖出报纸x份,纯收入为y元.(1)求y与x之间
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 14:55:00
![小丁每天从某报社以每份0.5元买进报纸200份,然后以每份1元卖给读者,报纸卖不完,当天可退回报社,但报社只按每份0.2元退给小丁,如果小丁平均每天卖出报纸x份,纯收入为y元.(1)求y与x之间](/uploads/image/z/5249993-41-3.jpg?t=%E5%B0%8F%E4%B8%81%E6%AF%8F%E5%A4%A9%E4%BB%8E%E6%9F%90%E6%8A%A5%E7%A4%BE%E4%BB%A5%E6%AF%8F%E4%BB%BD0.5%E5%85%83%E4%B9%B0%E8%BF%9B%E6%8A%A5%E7%BA%B8200%E4%BB%BD%2C%E7%84%B6%E5%90%8E%E4%BB%A5%E6%AF%8F%E4%BB%BD1%E5%85%83%E5%8D%96%E7%BB%99%E8%AF%BB%E8%80%85%2C%E6%8A%A5%E7%BA%B8%E5%8D%96%E4%B8%8D%E5%AE%8C%2C%E5%BD%93%E5%A4%A9%E5%8F%AF%E9%80%80%E5%9B%9E%E6%8A%A5%E7%A4%BE%2C%E4%BD%86%E6%8A%A5%E7%A4%BE%E5%8F%AA%E6%8C%89%E6%AF%8F%E4%BB%BD0.2%E5%85%83%E9%80%80%E7%BB%99%E5%B0%8F%E4%B8%81%2C%E5%A6%82%E6%9E%9C%E5%B0%8F%E4%B8%81%E5%B9%B3%E5%9D%87%E6%AF%8F%E5%A4%A9%E5%8D%96%E5%87%BA%E6%8A%A5%E7%BA%B8x%E4%BB%BD%2C%E7%BA%AF%E6%94%B6%E5%85%A5%E4%B8%BAy%E5%85%83%EF%BC%8E%EF%BC%881%EF%BC%89%E6%B1%82y%E4%B8%8Ex%E4%B9%8B%E9%97%B4)
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