Answer:
4x+7*500=11300 is the formula. (there are many formulas this might not be correct) (x is the number of students)
1925 students
Explanation:
(reads website url)
AN ASSESMANT?!?!?!?
500*7=$3500 for the adults
11,200-3500=7700
so 7700/4=1925
1925 students.