a dozen glazed donuts costs $4.50, a dozen chocolate donuts costs $5.75, and a dozen mixed donuts costs $8.75. Yesterday, the number of dozens of mixed donuts sold was 7 more than 4 times the number of dozens of glazed donuts sold. The number of dozens of chocolate donuts sold was 4 less than the number of dozens of mixed donuts sold.

If the store earned a total of $1,078.50 from the sale of these donuts, which of the following systems of equations can be used to find how many dozens of glazed donuts, , how many dozens of chocolate donuts, , and how many dozens of mixed d

Question

a dozen glazed donuts costs $4.50, a dozen chocolate donuts costs $5.75, and a dozen mixed donuts costs $8.75. Yesterday, the number of dozens of mixed donuts sold was 7 more than 4 times the number of dozens of glazed donuts sold. The number of dozens of chocolate donuts sold was 4 less than the number of dozens of mixed donuts sold.

If the store earned a total of $1,078.50 from the sale of these donuts, which of the following systems of equations can be used to find how many dozens of glazed donuts, , how many dozens of chocolate donuts, , and how many dozens of mixed d

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