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OpenStudy (anonymous):
Test worth 100 points contains 40 questions. There are two point and four point questions on the test. How many of each type?
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OpenStudy (anonymous):
x = number of 2 point questions y = number of 4 point questions x + y = 40 2x + 4y = 100 Do you know how to solve for x and y?
OpenStudy (regan):
2x+4y=100 x+y=40
OpenStudy (regan):
sorry
OpenStudy (anonymous):
Thanks.
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