document.write( "Question 505938: father’s age is three times the sum of the ages of his two children, but 20 years hence his age will be equal to the sum of their ages. Then the father’s ageis: \n" ); document.write( "
Algebra.Com's Answer #340048 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( "Let \n" ); document.write( "given: \n" ); document.write( "(1) \n" ); document.write( " \n" ); document.write( "(2) \n" ); document.write( "substitute (1) into (2) \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "and \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "The father is 30\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |