document.write( "Question 963884: gerald has an average of 87 after 6 tests. What does Gerald need to get on the next test to finish with an average of 80 on all 7 tests? \n" ); document.write( "
Algebra.Com's Answer #589175 by LinnW(1048)![]() ![]() You can put this solution on YOUR website! (6 * 87 plus the next test score )/7 = the new average score. \n" ); document.write( "We want \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "multiply each side by 7 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "add -522 to each side \n" ); document.write( " \n" ); document.write( " |