document.write( "Question 979909: Ty's scores on four test are 83,91,78, and 81. How many points above the average must Ty score on the next test in order to raise his average 2 points? \n" ); document.write( "
Algebra.Com's Answer #601136 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Totalling 83,91, 78 and 81 = 333 \n" ); document.write( "Average = 333/4 = 83.25 \n" ); document.write( "To score two points = 85.25 \n" ); document.write( "5 tests \n" ); document.write( "5 x 85.25 = 426.25 \n" ); document.write( "So, Ty would have to score \n" ); document.write( "426.25 - 333 = 93.25 \n" ); document.write( "Hope this helps:-) \n" ); document.write( " |