Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2w8/ Esercizi: http://www.khanacademy.org/exercises?exid=age_word_problems Traduzione in Italiano del video Age word problems 3 http://www.youtube.com/watch?v=DplUpe3oyWo http://www.khanacademy.org/video/age-word-problems-3?playlist=Algebra Help us caption & translate this video! http://amara.org/v/B2w8/