Question
Ms. Townsend is giving a test worth 100 points with 40 questions. There are two-point questions and four-point questions. How many of each type of question are on the test?
Answers
If there are x worth 2 points, then the rest (40-x) are worth 4 points.
2x + 4(40-x) = 100
Now finish it off
2x + 4(40-x) = 100
Now finish it off
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