SOLUTION: A disc jockey must play 14 commercial spots during 1 hour of each radio shows. Each commercial is either 30 seconds or 60 seconds long. If the total commercial time during 1 hour i
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Question 447420: A disc jockey must play 14 commercial spots during 1 hour of each radio shows. Each commercial is either 30 seconds or 60 seconds long. If the total commercial time during 1 hour is 11 minutes, how many 30 second commercials played that hour? How many 60 second commercials? Answer by rwm(914) (Show Source):
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