document.write( "Question 1077377: Ashley has scored
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document.write( "86
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document.write( ",
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document.write( "67
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document.write( "90
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document.write( "87
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document.write( ", and
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document.write( "94
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document.write( " on her previous five tests. What score does she need on her next test so that her average (mean) is
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document.write( "84
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document.write( "?
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Algebra.Com's Answer #691838 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! average=total/n \n" ); document.write( "84*6=504 points \n" ); document.write( "424 points has been earned. She needs an 80. \n" ); document.write( "Check \n" ); document.write( "+2 on first test \n" ); document.write( "-17 on second \n" ); document.write( "+6 on third \n" ); document.write( "+3 on fourth \n" ); document.write( "+10 on fifth \n" ); document.write( "+21 and -17, she can be 4 below, which is an 80. \n" ); document.write( " |