document.write( "Question 918730: Phil is 13 years old and his father is 4 times older. In how many years will the father be twice as old as his son? \n" ); document.write( "
Algebra.Com's Answer #557224 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! Phil 13 , his father 52 now. \n" ); document.write( "x the number of years hence \n" ); document.write( "52 + x = 2(13+x) \n" ); document.write( "26yr = x,years hence \n" ); document.write( "And ... checking \n" ); document.write( "78 = 2(39) \n" ); document.write( " |