Question 670797
{{{(88+83+92+x)/4 >= 90}}}
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{{{(263 + x)/4 >= 90}}}
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Multiply both sides by 4
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{{{263 + x >= 90(4)}}}
{{{263 + x >= 360}}}
{{{x >= 360 - 263}}}
{{{highlight_green(x >= 97)}}} as a grade on the fourth test
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