document.write( "Question 853824: gary is twice as old as pat. twenty years ago, gary was six times as old as pat. what are their present age? \n" ); document.write( "
Algebra.Com's Answer #514319 by chndnbl(31)![]() ![]() You can put this solution on YOUR website! Let pat present age be x. \n" ); document.write( "Then gray present age is 2x. \n" ); document.write( "20 years ago, \n" ); document.write( "pat age=x-20 \n" ); document.write( "gray age=6(2x-20) \n" ); document.write( "then we get, \n" ); document.write( "2x / x = 6(2x-20) / x-20 \n" ); document.write( "2(x-20) = 6(2x-20) \n" ); document.write( "2x - 40=12x - 120 \n" ); document.write( "12x - 2x = 120 - 40 \n" ); document.write( "10x = 80 \n" ); document.write( "x = 8 years and \n" ); document.write( "gray present age =2x=16 years \n" ); document.write( " |