SOLUTION: If a test has 60 question. 2 points are given for correct answers. 5 points are deducted for wrong answers. The person scored a 64 on the test. How many did they get correct.

Question 947418: If a test has 60 question. 2 points are given for correct answers. 5 points are deducted for wrong answers. The person scored a 64 on the test. How many did they get correct.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If a test has 60 question. 2 points are given for correct answers. 5 points are deducted for wrong answers. The person scored a 64 on the test. How many did they get correct.
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t + w = 60 questions
2t - 5w = 64 points
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Modify for elimination::
2t + 2w = 120
2t - 5w = 64
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Subtract and solve for "w"::
7w = 56
w = 8 (# of wrong answers)
---
Solve for "t"::
t = 60-8 = 52 (# of correct answers)
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Cheers,
Stan H.
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