Use a system of linear equations to solve Exercises 7384.A number of studies have
Chapter 5, Problem 74(choose chapter or problem)
Use a system of linear equations to solve Exercises 7384.A number of studies have emphasized the importance ofsleep for students success in their academic performance.The bar graph shows the actual sleep hours and the sleephours to function best for U.S. college students.A total of 45% of college students sleep between 5 and 7 hoursor between 9 and 11 hours. The difference in the percentagewho sleep between 5 and 7 hours and between 9 and 11 hoursis 41%. Find the percentage of college students who sleepbetween 5 and 7 hours and the percentage of college studentswho sleep between 9 and 11 hours.
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