Mathematics, 03.10.2021 14:00, jayme2407

John and Ariana bought school supplies. John spent $11.00 on 5 notebooks and 7 pens. Ariana spent $7.00 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 $11.00 on 5 notebooks and 7 pens. Ariana spent $7...