Question 1019551: A particular math class wants to have a class test average above a 90. On the last 2 math tests, students in a class averaged 88 and 94. If the class wants to keep an overall average above a 90, what does the class average need to be on the next test?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A particular math class wants to have a class test average above a 90. On the last 2 math tests, students in a class averaged 88 and 94. If the class wants to keep an overall average above a 90, what does the class average need to be on the next test?
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3 tests
scores:: 88,94,x
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Equation:
(88+94+x)/3 > 90
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182+x > 270
x > 88
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Cheers,
Stan H.
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