Mathematics, 16.07.2019 13:00 97seouls
Every year, a teacher surveys his students about the number of hours a week they watch television. in 2002, his students watched an average of 12 hours of television per week. in 2012, the number of hours spent watching television decreased to five per week. what is the percent decrease in the hours of television watched, rounded to the nearest tenth?
Answers: 2
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Every year, a teacher surveys his students about the number of hours a week they watch television. i...
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