Truetone Music company sold 192,000 alternative music downloads. This represents 64% of their total sales. How many total downloads did Truetone selt?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.