SOLUTION: A test consists of multiple choice questions worth 3 points and essay questions worth 5 points. The test has 17 questions that are worth a total of 65 points. Use a model to determ

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Question 636010: A test consists of multiple choice questions worth 3 points and essay questions worth 5 points. The test has 17 questions that are worth a total of 65 points. Use a model to determine how many multiple choice questions are on the test

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
A test consists of multiple choice questions worth 3 points and essay questions worth 5 points.
The test has 17 questions that are worth a total of 65 points.
3x + 5y = 65 | x+y = 17 0r y = 17-x
3x + 5(17-x) = 65
-2x = -20
x = 10, number of multiple choice questons, 7 essay questions
and...

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