Question 459706
x equals amt at beginning
x/10=p
(x-p)/3=t for tickets
f=(x-p-t)/2
v=250
x-p-t-f-v=x/5
f = 750,   p = 250,   t = 750,   v = 250,   x = 2500
They entered with 2500 or probably 25 dollars
they spent 
7.50 on food
2.50 on parking
7.50 to get in
2.50 on vendotoilet
and had 5 dollars when they left.