Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2xN/ Esercizi: http://www.khanacademy.org/exercises?exid=percentage_word_problems_1 Traduzione in Italiano del video Growing by a percentage http://www.youtube.com/watch?v=X2jVap1YgwI http://www.khanacademy.org/video/growing-by-a-percentage?playlist=Algebra Help us caption & translate this video! http://amara.org/v/B2xN/