document.write( "Question 273100: Ella has a average score of 82% on three of her tests. Her average score on the first two tests were 85%. What is the third test score percentage?\r
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document.write( "I worked the problem out and thought it was wrong so erased it, but when i read the problem again i got 75.6 and i cant quite remember how i got the answer can u refresh my memory? \n" );
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Algebra.Com's Answer #199553 by stanbon(75887) ![]() You can put this solution on YOUR website! Ella has a average score of 82% on three of her tests. Her average score on the first two tests were 85%. What is the third test score percentage? \n" ); document.write( "------------------------- \n" ); document.write( "Equation: \n" ); document.write( "2(0.85) + x = 3(0.82) \n" ); document.write( "1.7 + x = 2.46 \n" ); document.write( "x = 0.76 \n" ); document.write( "----------- \n" ); document.write( "Ans: 76% \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |