Solve Systems of Equations by Elimination · Example 9
Joe stops at a burger restaurant every day on his way to work. Monday he had one order of medium fries and two small sodas, which had a total of 620 calories. Tuesday he had two orders of medium fries and one small soda, for a total of 820 calories. How many calories are there in one order of medium fries? How many calories in one small soda?
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OpenStax, Elementary Algebra 2e · §5.3 Solve Systems of Equations by Elimination · Example 9
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