Riley works at a coffee shop, where an 8-oz cup of coffee costs $3, a...
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Algebra
Riley works at a coffee shop, where an 8-oz cup of coffee costs $3, a 15-oz cup costs $4, and a 20-oz cup costs $5. During one busy period, Riley served 30 cups of coffee, using 500 ounces of coffee, while collecting a total of $132.a. Setup the system of equations that can be used to determine the number of cups of each size Riley filled.b. Write the augmented matrix that corresponds to the system of equations from part a.c. Solve the system of equations. How many cups of each size did Riley fill?
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