document.write( "Question 861150: Erika has received scores of 82,87,93,95,88, and 90 on math quizzes. What score must Erika get on her next quiz to have an average of 90? \n" ); document.write( "
Algebra.Com's Answer #518880 by stanbon(75887)\"\" \"About 
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Erika has received scores of 82,87,93,95,88, and 90 on math quizzes. What score must Erika get on her next quiz to have an average of 90?
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\n" ); document.write( "Let her next quiz score be \"x\"::
\n" ); document.write( "Solve for \"x\"::
\n" ); document.write( "[82 + 87 + 93 + 95 + 88 + 90 + x]/7 = 90
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\n" ); document.write( "(535+x) = 630
\n" ); document.write( "x = 95
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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