document.write( "Question 236485: Adam is 3 times as old as Cynthia and Fred is 16 yrs. younger than Adam. One year ago, Adam's age was twice the sum of Cynthia's & Fred's age. Find their present age. \n" ); document.write( "
Algebra.Com's Answer #174063 by JimboP1977(311)![]() ![]() You can put this solution on YOUR website! Adam = A \n" ); document.write( "Cynthia = C \n" ); document.write( "Fred = F\r \n" ); document.write( "\n" ); document.write( "A=3*C \n" ); document.write( "F+16=A\r \n" ); document.write( "\n" ); document.write( "3*C = F+16 (1)\r \n" ); document.write( "\n" ); document.write( "(A-1) = (C-1)+(F-1)\r \n" ); document.write( "\n" ); document.write( "3*C-1 = (C-1)+(F-1)\r \n" ); document.write( "\n" ); document.write( "3*C = C+F-1\r \n" ); document.write( "\n" ); document.write( "2C = F-1 (2)\r \n" ); document.write( "\n" ); document.write( "(1) - (2)\r \n" ); document.write( "\n" ); document.write( "C = 17\r \n" ); document.write( "\n" ); document.write( "Therefore\r \n" ); document.write( "\n" ); document.write( "A = 51\r \n" ); document.write( "\n" ); document.write( "F = 35\r \n" ); document.write( "\n" ); document.write( "Does this make sense?\r \n" ); document.write( "\n" ); document.write( "Do you need further clarification?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |