SOLUTION: A test has a combination of true/false questions, worth 3 points each, and multiple-choice questions, worth 11 points each. The test has a total of 20 questions and a total of 100

Question 941620: A test has a combination of true/false questions, worth 3 points each, and multiple-choice questions, worth 11 points each. The test has a total of 20 questions and a total of 100 points. How many multiple-choice questions are on the test?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = number of true/false questions
y = number of multiple-choice questions
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x + y = 20
3x + 11y = 100
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put the system of linear equations into standard form
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x + y = 20
3x + 11y = 100
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solution:
x = 15
y = 5
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