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Write an inequality to represent this real-world situation. Andre wants to practice the piano 9 hours a week. Each time he prac...Asked by a
Write an inequality to represent this real-world situation. Andre wants to practice the piano 9 hours a week. Each time he practices he practices for 23 hour. If he has already practiced 2 hours this week, how many sessions, x , does he still need to practice to reach or surpass his goal?
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GPT 3.5
Let x be the number of sessions Andre still needs to practice to reach or surpass his goal.
Andre has practiced for a total of 2 + x * 2 = 2x + 2 hours.
To reach or surpass his goal, Andre needs to practice for 9 hours a week, so the inequality is:
2x + 2 ≥ 9.
Simplifying the inequality, we get:
2x ≥ 7.
Dividing both sides by 2, we get:
x ≥ 7/2.
Andre still needs to practice for at least 7/2 sessions, or 3.5 sessions, to reach or surpass his goal.
Andre has practiced for a total of 2 + x * 2 = 2x + 2 hours.
To reach or surpass his goal, Andre needs to practice for 9 hours a week, so the inequality is:
2x + 2 ≥ 9.
Simplifying the inequality, we get:
2x ≥ 7.
Dividing both sides by 2, we get:
x ≥ 7/2.
Andre still needs to practice for at least 7/2 sessions, or 3.5 sessions, to reach or surpass his goal.
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