multi-choice --- x
shorts - ----- 20-x
x + 3(20-x) = 50
carry 0n
A test is worth 50 points. Multiple-choice questions are worth 1 point, and short-answer questions are worth 3 points. If the test has 20 questions, how many multiple-choice questions are there?
shorts - ----- 20-x
x + 3(20-x) = 50
carry 0n
1. Total test points: The test is worth 50 points.
2. Point value for multiple-choice questions: Multiple-choice questions are worth 1 point each.
3. Point value for short-answer questions: Short-answer questions are worth 3 points each.
4. Total number of questions on the test: The test has 20 questions.
With these variables identified, we can now proceed to solve the problem.
In this problem, the following variables are important:
1. Total test points: The test is worth 50 points.
2. Points per multiple-choice question: Each multiple-choice question is worth 1 point.
3. Points per short-answer question: Each short-answer question is worth 3 points.
4. Total number of questions: The test has 20 questions.
5. Number of multiple-choice questions: We need to find this value.
Now that we have identified the important variables, we can proceed to solve the problem by using the given information and formulas.