While watching television from 7 PM to 8 PM you count 20 commercials each 30 seconds long. What nearest percent of the hour is taken by the commercials?
Answer: 17%
Explanation
Total time = 1 hour = 60 minutes
Commercials duration = 20 * 30 seconds
= 600 seconds
= 10 minutes
Percentage of hour taken by commercials = (10/60) * 100
= 16.67%
Nearest percent = 17%
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