3. Extend: Can you solve a problem with 3 variables and 3 equations?! Alex, Betty, and Cara, went to a corner store after school to buy candy. They each spent $5. Alex bought 2 chocolate bars, 2 sour key, and 4 licorice. Betty bought 2 chocolate bars, 1 sour key, and 6 licorice. Cara bought no chocolate bars, 9 sour keys, and 2 licorice. Set up your equations. Make sure to define your variables. C: K: L: Equation 1: Equation 2: Equation 3: Solve your system of equations using ELIMINATION. Show your steps clearly for full credit. Write your answer as a sentence:

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