document.write( "Question 1121565: The average grade of Folly in his 6 subjects is 83.45. What grade must he have in his 7th subject so that he will have the average of 85? Thank you \n" ); document.write( "
Algebra.Com's Answer #737495 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
The average grade of Folly in his 6 subjects is 83.45. What grade must he have in his 7th subject so that he will have the average of 85?
\n" ); document.write( "-------
\n" ); document.write( "(6*83.45 + G)/7 = 7*85
\n" ); document.write( "
\n" ); document.write( "
\n" );