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1. Mr. McGee
recorded the test marks for his eighth grade class of 25 students.
He used the marks recorded to calculate the average to be 72.
Sandra's mark of 86 was incorrectly marked as 36. What was the
correct average for the test?
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Answer
= _________________
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2. Solve for
x.
5x + 95.97
= 145.97
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Answer
= _________________
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3. Solve for
n.
7n = 132 -
5n
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Answer
= _________________
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4. Solve for
x.
5x - 70 +
6x = 62
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Answer
= _________________ |