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Mathematics, 19.12.2020 22:40 LadyHolmes67

Graham buys 15 pens for $12.75. What is the unit price per pen? Later, at another store, Graham finds 20 of the same pens priced at $17.40. Which offer has the lower unit price? Explain.

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Graham buys 15 pens for $12.75. What is the unit price per pen? Later, at another store, Graham find...

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