Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2u1/ Esercizi: http://www.khanacademy.org/exercise/converting_decimals_to_percents Traduzione in Italiano del video Representing a number as a decimal, percent, and fraction http://www.youtube.com/watch?feature=player_embedded&v=-gB1y-PMWfs http://www.khanacademy.org/math/arithmetic/fractions/v/representing-a-number-as-a-decimal--percent--and-fraction