document.write( "Question 808927: The sum of three numbers is 144. The second number is 6 more than the first . The third number is 4 times the second. What are the numbers? \n" ); document.write( "
Algebra.Com's Answer #806050 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! x + y + z = 144 \n" ); document.write( "y = x + 6 \n" ); document.write( "z = 4y = 4(x + 6)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Write everything in terms of x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + y + z = 144 \n" ); document.write( "x + (x + 6) + 4(x + 6) = 144 \n" ); document.write( "6x + 30 = 144 \n" ); document.write( "6x = 114 \n" ); document.write( "x = 19\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solution: (x, y, z) = (19, 25, 100) \n" ); document.write( " |