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8. Sally, Mariah, and Devin visit a bakery. Sally buys 3 biscuits and 2 muffins...

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8. Sally, Mariah, and Devin visit a bakery. Sally buys 3 biscuits and 2 muffins for $10.50. Mariah buys 2 muffins and 2 cupcakes for $14.00. Devin purchases 2 biscuits and 1 cupcake for $7.00. (4 points)a. Set up a matrix equation that can be used to find the prices of biscuits, muffins, and cupcakes at the bakery using the information given. (3 points)b. Find the price of a biscuit, the price of a muffin, and the price of a cupcake at the coffee shop. (1 point)

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