14111cn2.2 - c Kendra Kilmer Note We will first learn how...

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c Kendra Kilmer August 18, 2011 Note: We will first learn how to set-up the system in these word problems. We will then learn the basics about matrices and then return to learn how to solve these problems. Example 3: Jennifer has made it through her ten year class reunion. She is wanting to remember how many former classmates, spouses, and former teachers attended the reunion. She has lost her records but recalls that the ticket sales totaled $4,775. She charged $30 for each former classmate, $25 for each spouse, and $20 for each former teacher. She recalls that the number of former classmates and spouses combined was 130 more than the number of former teachers. She also recalls that there were five times as many former classmates there as spouses. Help Jennifer remember the number of former classmates, spouses, and former teachers that attended the reunion. Set-up the linear system: Example 4:
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