Use a system of linear equations to solve Exercises 73–84.

The current generation of college students grew up playing interactive online games, and many continue to play in college. The bar graph shows the percentage of U.S. college students playing online games, by gender.

A total of 41% of college men play online games multiple times per day or once per day. The difference in the percentage who play multiple times per day and once per day is 7%. Find the percentage of college men who play online games multiple times per day and the percentage of college men who play online games once per day.

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Percentage of College Students 45% 40% 35% 30% 25% 20% 15% 10% 5% Percentage of U.S. College Students Playing Online Games Male Female X 16 Multiple Times per Day y 16 ....39 Once per Day Frequency of Online Gaming 26 Once per Week