广东省茂名市信宜市七年级数学上册第五章一元一次方程5.4应用一元一次方程—打折销售同步作业(无答案)(新版)北师大版.doc

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154 应用一元一次方程-打折销售班别 姓名 基 础题:1、服装店销售某款服装,一件服装的标价为 300 元,如按标价的 8 折销售,仍可获 利 60元,则这款服装每件的标价比进价多( )A、60 元 B、80 元 C、120 元 D、 180 元2、两件商品都卖 84 元 ,其 中一件亏本 20%,另一件赢利 40%,则两件商 品卖后商家( )A、赢利 16.8 元 B、亏本 3 本 C、赢利 3 元 D、不赢不亏3、解方程:(1) (2)1052x 564y提高题:甲、乙两件服装成本共 500 元,商店老板为了获取利润,决定将甲服装按 50%的利润定价,乙 服装按 40%的利润定价,在实际出售时,应顾客要求,两件服装均按 9 折出售,这样商店共获利 157 元,求甲乙两件衣服成本各是多少元?

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