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Mathematics, 19.10.2020 07:01 batmandillon21

John and Ariana bought school supplies. John spent $10.50 on 5 notebooks and 6 pens Ariana spent $8.20 on 4 notebooks and 4 pers. 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 $10.50 on 5 notebooks and 6 pens Ariana spent $8....
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