Duncans favorite T V show starts at 8 p.m. and ends at 9 p.m. Duncantimed the

Chapter 60, Problem 27

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Duncans favorite T V show starts at 8 p.m. and ends at 9 p.m. Duncantimed the commercials and found that 12 minutes of commercials airedbetween 8 p.m. and 9 p.m. Commercials were shown for what fractionof the hour?

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