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?
- 17%
- 16%
- 15%
- 14%
- All Of The Above
Explanation
TV duration form 7 pm to 8 pm = 1 hour = 60 minutes
Commercials time in minutes = 30 sec x 20 = 600 sec = 10 minutes
10 * 5 = 3x
3x = 50
x = 16.66667
nearly 17%
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