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Grade Average A student scores 65 and 82 on two

different 100-point tests. If the maximum score on
the next test is also 100 points, what score does the
student need to maintain at least an average of 70?

2 answers

0.7 * 300 = 210

65 + 82 = 147

210 - 147 = ?

The answer is 64.

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