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Mathematics, 26.08.2019 05:30 gedntrxAa

The school wishes to purchase 2500 pens and have discovered that 3 stores sell the same model pen. which store has the best buy ? store a sells 15 pens for $0.50, store b sells 50 pens for $ 1.70 and store c sells 30 pens for $0.90

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