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Mathematics, 15.04.2021 03:50 princess239

Reiko Needs to mail her Christmas cards and packages and wants to keep her mailing costs to no more then $500. The number of cards is at least 4 more than twice the number of packages. The cost of mailing a card (with pictures and closed) is $3 in for a package the cost is $7. Write a system of equations to model the situation​

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