document.write( "Question 1177616: The sum of Jocelyn and Joseph's age is 40. In 5 years, Joseph will be twice as Jocelyn's present age. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #806710 by mananth(16946)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The sum of Jocelyn and Joseph's age is 40. \r \n" ); document.write( "\n" ); document.write( "let joseph's age be x\r \n" ); document.write( "\n" ); document.write( "and jocelyn's age be y\r \n" ); document.write( "\n" ); document.write( "x+y=40----------------(1)\r \n" ); document.write( "\n" ); document.write( "In 5 years, Joseph will be twice as Jocelyn's present age.\r \n" ); document.write( "\n" ); document.write( "x+5 = 2(y+10) \n" ); document.write( "x+5 = 2y \n" ); document.write( "x-2y=-5-----------------(2) \n" ); document.write( "Solve 1 & 2\r \n" ); document.write( "\n" ); document.write( "3y=45\r \n" ); document.write( "\n" ); document.write( "y=15 \r \n" ); document.write( "\n" ); document.write( "Jocelyn is 15 years \n" ); document.write( "Joseph is 25 years\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "How old are they now? \n" ); document.write( " |