document.write( "Question 747330: My avaerage on my first four test's was 76, so what score do I need to get on my next test to raise my average to 77? \n" ); document.write( "
Algebra.Com's Answer #454826 by Cromlix(4381)\"\" \"About 
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Your total from the first 4 tests
\n" ); document.write( "was 4 x 76 = 304
\n" ); document.write( "The total you would require to
\n" ); document.write( "achieve to get an average of 77
\n" ); document.write( "would be 5 x 77 = 385
\n" ); document.write( "Therefore the score you would have to obtain
\n" ); document.write( "would be 385 - 304 = 81
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