movie theatre A has a popcorn machine with a 100 gallon capacity, and sells 3 gallons of popcorn per hour. movie theatre B has a popcorn machine with a 150 gallon capacity, and sells 5 gallons of popcorn per hour. write an equation to show when the two popcorn machines will have the same amount of popcorn left. use x as your variable
a. 3x - 100 = 5x - 150
b. 100 - 3x = 150 - 5x
c. 100 + 3x = 150 + 5x
d. 150 + 3x = 100 + 5x
1 answer
b. 100 - 3x = 150 - 5x