document.write( "Question 741665: the average of four numbers is 82. when the fifth number was added the average became 83 what is the fifth number? \n" ); document.write( "
Algebra.Com's Answer #457610 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! (4/5)82+(1/5)x=83\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "which leads us to x=91\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |