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A CD costs 7 yuan plus value added tax at 20% of the cost price.How much has to be paid for the CD

分类: 作业答案 • 2022-03-28 15:23:22

问题描述：

A CD costs 7 yuan plus value added tax at 20% of the cost price.How much has to be paid for the CD

答

7+7乘以0.2=8.4 （这句话是说这张CD7元钱的成本还加20%的税）