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July 26, 2014

Homework Help: geometry

Posted by tamara on Tuesday, October 22, 2013 at 5:13pm.

Lenny’s favorite radio station has this schedule:

news: 15 min.
commercials: 3 min.
music: 42 min.

If Lenny chooses a time of day at random to turn on the radio to his favorite station, what is the probability that the news will be on?

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