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Monday, October 20, 2008

Li Wen's Qn

SA2 Revision (2)
Paper 2 Qn 12


Ms Tan bought 8 more paper files than plastic files at a stationery shop. Each paper file cost $1.25 and each plastic file cost $2.15 more than a paper file. If the total cost of the files purchased was $47.20, how many plastic files did Ms Tan buy?


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