Question 1165296
1600=2(h+150000/h)
800=h+150000/h
multiply through by h
800h=h^2+150000
so 0=h^2-800h+150000
0-(h-500)(h-300)
h=300 or 500, but the theater can only hold 450, so h=300 is the answer.
the cost will be 1600 Php