document.write( "Question 972203: If the average of 27-x, x-8, and 3x+11is y, what is the average of 2y and 2y over 3? \n" ); document.write( "
Algebra.Com's Answer #594567 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 27-x +x-8+3x+11=3x+30=3(x+10) \n" ); document.write( "average is (3/3)(x+10) = \n" ); document.write( "x+10\r \n" ); document.write( "\n" ); document.write( "y=x+10 \n" ); document.write( "2y= 2x+20 \n" ); document.write( "(2y/3) = (2x+20)/3\r \n" ); document.write( "\n" ); document.write( "The average of those is (1/2)[ (2x+20) +(2x+20/3] \n" ); document.write( "Common denominator of 3 for what is inside parentheses \n" ); document.write( "(1/2)(1/3)[6x+60+2x+20]\r \n" ); document.write( "\n" ); document.write( "(1/6) (8x + 80) \n" ); document.write( "(4/3) (x + 10)\r \n" ); document.write( "\n" ); document.write( "average of 2y and 2y/3 = 8y/3/2= (4/3) y\r \n" ); document.write( "\n" ); document.write( "but y= x+10 \n" ); document.write( "(4/3)y= (4/3) (x+10) \n" ); document.write( " |