某商店将某种家用电器按进价提高百分之35,然后打出九折酬宾,外送50元出租车费的广告,结果每台电器仍获利208元 求每台电器的进价是多少元
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/17 23:16:32
![某商店将某种家用电器按进价提高百分之35,然后打出九折酬宾,外送50元出租车费的广告,结果每台电器仍获利208元 求每台电器的进价是多少元](/uploads/image/z/1740437-53-7.jpg?t=%E6%9F%90%E5%95%86%E5%BA%97%E5%B0%86%E6%9F%90%E7%A7%8D%E5%AE%B6%E7%94%A8%E7%94%B5%E5%99%A8%E6%8C%89%E8%BF%9B%E4%BB%B7%E6%8F%90%E9%AB%98%E7%99%BE%E5%88%86%E4%B9%8B35%2C%E7%84%B6%E5%90%8E%E6%89%93%E5%87%BA%E4%B9%9D%E6%8A%98%E9%85%AC%E5%AE%BE%2C%E5%A4%96%E9%80%8150%E5%85%83%E5%87%BA%E7%A7%9F%E8%BD%A6%E8%B4%B9%E7%9A%84%E5%B9%BF%E5%91%8A%2C%E7%BB%93%E6%9E%9C%E6%AF%8F%E5%8F%B0%E7%94%B5%E5%99%A8%E4%BB%8D%E8%8E%B7%E5%88%A9208%E5%85%83+%E6%B1%82%E6%AF%8F%E5%8F%B0%E7%94%B5%E5%99%A8%E7%9A%84%E8%BF%9B%E4%BB%B7%E6%98%AF%E5%A4%9A%E5%B0%91%E5%85%83)
某商店将某种家用电器按进价提高百分之35,然后打出九折酬宾,外送50元出租车费的广告,结果每台电器仍获利208元 求每台电器的进价是多少元
某商店将某种家用电器按进价提高百分之35,然后打出九折酬宾,外送50元出租车费的广告,结果每台电器仍获
利208元 求每台电器的进价是多少元
某商店将某种家用电器按进价提高百分之35,然后打出九折酬宾,外送50元出租车费的广告,结果每台电器仍获利208元 求每台电器的进价是多少元
设每台电器的进价是x元.
进价提高35% 之后是(1+ 35%)x 元 ,再打九折就是(1+ 35%)× 0.9x 元
(1+ 35%)× 0.9x - 50 = x +208
1.35 × 0.9x - x = 208 + 50
1.215 x - x = 258
0.125 x = 258
x = 1200
所以每台电器的进价是1200元
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