Let's use the equation:
120 - 7X = 150 - 9X
Now, let's solve for X:
120 - 7X = 150 - 9X
120 + 2X = 150
2X = 30
X = 15
Therefore, the two popcorn machines will have the same amount of popcorn left after 15 hours.
Movie theater eight has a popcorn machine with a 120 gallon capacity. It sells 7 gallons of popcorn per hour movie theater B as a popcorn machine with 150 gallon capacity. It sells 9 gallons of popcorn per hour right and solve an equation to show when the two popcorn machines will have the same amount of popcorn left use X as your variable.
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