document.write( "Question 996315: Lisa has scored
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document.write( "64
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document.write( ",
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document.write( "86
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document.write( ", and
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document.write( "84
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document.write( " on her previous three tests. What score does she need on her next test so that her average (mean) is
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document.write( "79
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document.write( "? \n" );
document.write( "
Algebra.Com's Answer #614801 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Lisa has scored \n" ); document.write( "64 \n" ); document.write( ", \n" ); document.write( "86 \n" ); document.write( ", and \n" ); document.write( "84 \n" ); document.write( " on her previous three tests. What score does she need on her next test so that her average (mean) is \n" ); document.write( "79 \n" ); document.write( "? \n" ); document.write( "=========== \n" ); document.write( "64 + 86 + 84 = 234 \n" ); document.write( "--- \n" ); document.write( "79*4 = 316 \n" ); document.write( "316 - 234 = what she needs. \n" ); document.write( " |