Gina chooses what she and her sister will watch on Netflix three times as often as her sister does. If her sister watches a total of 24 shows on Netflix per week, and each show is 50 minutes long, how many minutes of Netflix does Gina get to choose? Let's answer step by step:
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Let g be the number of shows Gina chooses and s be the number her sister chooses. We know that g = 3s and g + s = 24. Substituting the first equation into the second equation, we get 3s + s = 24. Combining like terms, we get 4s = 24. Dividing both sides by 4, we get s = 6. Substituting this value back into g = 3s, we get g = 3 * 6 = 18. Then multiply the number of shows by the length of each show in minutes to find the total number of minutes Gina chooses: 18 shows * 50 minutes / show = 900 minutes. The answer: 900.
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