document.write( "Question 238467: Twice Jim's age, added to Sally's age gives a total of 30. Jim's age 4 years from now will be the same as Sally's age 8 years ago. How old is each now? \n" ); document.write( "
Algebra.Com's Answer #175221 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2J+S=30 OR S=30-2J \n" ); document.write( "(30-2J)-8=J+4 \n" ); document.write( "30-2J-8=J+4 \n" ); document.write( "-2J-J=4+8-30 \n" ); document.write( "-3J=-18 \n" ); document.write( "J=-18/-3 \n" ); document.write( "J=6 JIM'S AGE NOW. \n" ); document.write( "2*6+S=30 \n" ); document.write( "12+S=30 \n" ); document.write( "S=30-12 \n" ); document.write( "S=18 SALLY'S AGE NOW. \n" ); document.write( "PROOF: \n" ); document.write( "30-2*6-8=6+4 \n" ); document.write( "30-12-8=10 \n" ); document.write( "10=10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |