document.write( "Question 842190: On the first 3 quizzes of her chemistry class, Stephanie got an average score of 88.\r
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document.write( "What does she need on the next quiz to have an overall average of 91? \n" );
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Algebra.Com's Answer #507428 by LinnW(1048)![]() ![]() You can put this solution on YOUR website! Set x equal the score needed \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "multiply each side by 4 \n" ); document.write( "264 + x = 364 \n" ); document.write( "add -264 to each side \n" ); document.write( "x = 100 \n" ); document.write( " \n" ); document.write( " |