The drama department is raising money to purchase a new lighting system for the auditorium
for $1,350. They have already raised $450. If they can raise $90 each week, which equation can
be used to determine how many weeks they will need to raise $1,350?
A. 1,350 − 450x = 90
B. 1,350 + 90x = 450
C. 90x − 450 = 1,350
D. 90x + 450 = 1, 350