document.write( "Question 1094517: Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth test to bring his average to 80%? \n" ); document.write( "
Algebra.Com's Answer #709084 by addingup(3677)![]() ![]() You can put this solution on YOUR website! (82+88+75+x)/4 = 80 \n" ); document.write( "(245+x)/4 = 80 \n" ); document.write( "245+x = 320 \n" ); document.write( "x = 75 <-- this is the grade he needs to get on the 4th test. \n" ); document.write( " \n" ); document.write( " |