Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2xR/ Esercizi: http://www.khanacademy.org/exercises?exid=ratio_word_problems Traduzione in Italiano del video Ratio problem with basic algebra (new HD) http://www.youtube.com/watch?v=ITVQrzDSekU http://www.khanacademy.org/video/ratio-problem-with-basic-algebra--new-hd?playlist=Algebra Help us caption & translate this video! http://amara.org/v/B2xR/