document.write( "Question 19378: Zack is 2 years older than Jimmy. Last year Zack was 3 times as old as Jimmy. How is Zack now?
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Algebra.Com's Answer #9376 by MILIAJEY(4)![]() ![]() ![]() You can put this solution on YOUR website! LET JIMMY BE X YEARS \n" ); document.write( "THEN TODAY ZACK 'S AGE Y= X+2 \n" ); document.write( "ONE YEAR BACK AGE OF ZACK (Y-1)= 3(X-1) \n" ); document.write( " = 3X -3 \n" ); document.write( " Y=3X-3 +1 \n" ); document.write( " = 3X -2 \n" ); document.write( "BUT Y= X + 2\r \n" ); document.write( "\n" ); document.write( "X+ 2 = 3X -2\r \n" ); document.write( "\n" ); document.write( " 4 = 3X-X \n" ); document.write( " 4 = 2X \n" ); document.write( " 2 = X \n" ); document.write( " Y = 4 \n" ); document.write( "JIMMY IS 2 YRS OLD AND ZACK IS 4 YRS OLD.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |