某商店将某种DVD按进价提高35%后,打出“九折优惠酬宾,外送50元出租车费”的 广告,结果每台仍旧获利208元,那么每台DVD的进价是()元。A.1...

作者: rantiku 人气: - 评论: 0
问题 某商店将某种DVD按进价提高35%后,打出“九折优惠酬宾,外送50元出租车费”的 广告,结果每台仍旧获利208元,那么每台DVD的进价是()元。 A.1200 B.1000 C.800 D.600
选项
答案 A
解析 假设进价为x,则根据已知条件可得,xx(l+35%)x0.9-50-x=208,解得x=1200元,选A。

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