Answer:

The amount of money Thad has left for food and souvenirs is $115
Explanation:
Number of persons = 5
Admission cost of 1 person = $8
So, Admission cost of 5 persons =

Now let x be the number of ride tickets
Cost of 1 ride ticket =$ 15
So, cost of x ride tickets = 15x
So, Total cost =

Since we are given that THad has 200$.
So, he cannot spend more than 200
So, inequality becomes:

Thus an inequality that models the situation is

Now we are given that Thad buys books of ride tickets for 3 of them
So, total money spent =

So, the amount of money Thad has left for food and souvenirs= 200-85=$115
Hence The amount of money Thad has left for food and souvenirs is $115