document.write( "Question 775828: A father is 41 years old and his son is 9. In how many years will the father be three times as old as his son? \n" ); document.write( "
Algebra.Com's Answer #473186 by tanjo3(60)![]() ![]() ![]() You can put this solution on YOUR website! Let n be the number of years until the stated condition is met, then: \n" ); document.write( " \n" ); document.write( "41 + n = 3(9 + n) \n" ); document.write( "41 + n = 27 + 3n \n" ); document.write( "14 = 2n \n" ); document.write( "7 = n \n" ); document.write( " \n" ); document.write( "In 7 years, the father will be three times as old as his son (he will be 48 and his son will be 16). \n" ); document.write( " |