Reconsider Problem 46 if you are recording by eliminating the commercials from the recording process. Suppose that

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Reconsider Problem 46 if you are recording by eliminating the commercials from the recording process. Suppose that recording time is l hours and that there are c minutes of commercials each hour.

Data from Problem 46

Solve the DVR example for recording a total of l hours where 20 < l ≤ 40. (If l ≤ 20, then the solution is obvious; just use the SR mode.)

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