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Mathematics, 02.08.2019 10:30 Alayna1037
Thalia, a quiz show contestant, answered 20 questions. she was awarded 2 points for every correct answer that she gave, but she was penalized 1 point for every incorrect answer. in the end, thalia had a total of 28 points. in order to determine the number of correct and incorrect answers that she gave, a viewer at home used the system of linear equations x+y=20 and 2x+y=28
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Thalia, a quiz show contestant, answered 20 questions. she was awarded 2 points for every correct an...
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