document.write( "Question 642866: a man who is 42 years old has a son of 12 years old. in how many years will the father be twice as old as his son \n" ); document.write( "
Algebra.Com's Answer #404449 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "a man who is 42 years old has a son of 12 years old. in how many years will the father be twice as old as his son\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let the amount of years be Y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then: 42 + Y = 2(12 + Y)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "42 + Y = 24 + 2Y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "42 - 24 = Y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Y, or amount of years it'll take for the man to be twice his son's age = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You can do the check!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com \n" ); document.write( " |