Problema a Parole Sulla Navigazione

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2us/ Traduzione in Italiano del video Navigation Word Problem http://www.youtube.com/watch?feature=player_embedded&v=XTWZ_M8d-4g http://www.khanacademy.org/video/navigation-word-problem?playlist=Trigonometry