Mathematics, 29.10.2020 16:30 alyxkellar06

joy spent a total of $116 on 30 plates, 40 cups and 4 packages of napkins, jay spent $1000 on 250 plates, 300 cups, and 50 packages of napkins, while jon spent $ 189 on 55 plates, 55 cups and 6 packages of napkins. which system of linear equations could be used to determined the price of the party supply ?

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joy spent a total of $116 on 30 plates, 40 cups and 4 packages of napkins, jay spent $1000 on 250 pl...

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