Answer:
28x^2= y
x = jamal age
y= jamal's uncle age
Step-by-step explanation:
We can solve this by setting up a proportion:
12 seeing the play/ 72 students = 210 seeing the play/ x students
We can cross multiply to solve for x:
(12)x=(72)(210)
12x=15,120
x=1,260 students who attend the school