256. A thirty-minute time slot on a television network contains 24 minutes of comedy and 6 minutes of commercials. What fraction of the program time is devoted to commercials? a. \( \frac{1}{6} \) of the time b. \( \frac{1}{4} \) of the time c. \( \frac{1}{3} \) of the time d. \( \frac{1}{5} \) of the time
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