Answer:
Part a) The number of visits mus be greater than or equal to

Part b)
with season pass
The total cost is

without season pass
The total cost is
Explanation:
Let
x---> the number of visit to the water park
y---> the total cost to visit the water park per person
we know that
so
Part a) How many visits to the water park would you have to use for the season pass to be a better deal?
For

Substitute the value of y in the equation and solve for x


therefore
The number of visits mus be greater than or equal to

Part b) What would the total cost be for 3 visits with and without a season pass?
with season pass
The total cost is

without season pass
The total cost for
is