Mathematics, 15.07.2021 05:40 babygurl27732
John and Ariana bought school supplies. John spent $9.70 on 5 notebooks and 4 pens. Ariana spent $7.10 on 4 notebooks and 2 pens. What is the cost of 1 notebook and what is the cost of 1 pen?
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John and Ariana bought school supplies. John spent $9.70 on 5 notebooks and 4 pens. Ariana spent $7....
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