document.write( "Question 984770: A student had the following grades in her math class tests:
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document.write( "100, 98, 96, 45, 89, 91, 89\r
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document.write( "If the student wants an 88 average, what does she need to earn on the next test? \n" );
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Algebra.Com's Answer #605595 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Add all the scores: \n" ); document.write( "100 + 98 + 96 + 45 + 89 + 91 + 89. \n" ); document.write( "Total = 608 \n" ); document.write( "Number of grades = 7 \n" ); document.write( "608/7 = Average of 86.9 \n" ); document.write( "If she wants a 88 average \n" ); document.write( "Then her final total score \n" ); document.write( "= 88 x 8 \n" ); document.write( "= 704 \n" ); document.write( "So, she requires a score \n" ); document.write( "of 704 - 608 \n" ); document.write( "= 96 \n" ); document.write( "This is the score she requires \n" ); document.write( "to give her an 88 average. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |