document.write( "Question 977741: Cory’s average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be? \n" ); document.write( "
Algebra.Com's Answer #599283 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "If Cory's average score after 8 tests = 91% \n" ); document.write( "then as a total he has 8 x 91 = 728 \n" ); document.write( "If on his 9th test he gets 78% \n" ); document.write( "the 728 + 78 = 806 \n" ); document.write( "806/9 = 89.6 new average \n" ); document.write( "Hope this helps:-) \n" ); document.write( " |