120 - 7t = 150 - 9t
2t = 30
t = 15
after 15 hours, they both will have the same amount of stale popcorn
Movie Theatre A has a popcorn machine with a 120-gallon capacity. It sells 7 gallons of popcorn per hour. Movie Theatre B has a popcorn machine with a 150-gallon capacity. It sells 9 gallons of popcorn per hour. Write and solve an equation to show when the two popcorn machines will have the same amount of popcorn left.
1 answer
1 answer