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22-06-2022
Mathematics

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What system of equations would you use to solve the problem below?
A test is worth 100 points. Multiple-choice questions are worth 3 points and
short-answer questions are worth 5 points. If the test has 28 questions, how
many multiple-choice questions are there?

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mrsmurfysmurts mrsmurfysmurts

22-06-2022

Let x be multiple-choice questions
Let y be short-answer questions

x + y = 28

3x + 5y = 100

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