SOLUTION: A student scores a 72 out of 100 on a test. if the maximum score on the next test is also 100, what score does the student need to get to manage a average of 78?
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Question 794431: A student scores a 72 out of 100 on a test. if the maximum score on the next test is also 100, what score does the student need to get to manage a average of 78? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A student scores a 72 out of 100 on a test. if the maximum score on the next test is also 100, what score does the student need to get to manage a average of 78?
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Let the score on the 2nd test be "x":::
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Equation:
(72+x)/2 = 78
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72+x = 156
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x = 84
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Cheers,
Stan H.
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