I’m a little confused by the question and the problem, is there a picture of the problem you could add?
Yep he said it best good job
The answer should be A and D
To start, you need to subtract 4x from both sides, that way, x is one one sid of the equation.
Answer:
The expectation is 
Step-by-step explanation:
From the question we are told that
The first offer is 
The second offer is 
The third offer is 
The number of tickets is 
The price of each ticket is 
Generally expectation is mathematically represented as

given that they just offer one
Now
given that they just offer one
Now
given that they offer five
Hence the expectation is evaluated as


Now given that the price for a ticket is 
The actual expectation when price of ticket has been removed is

