Answer:
The total cost of ordering 4 tickets is $43.
Step-by-step explanation:
Let = number of tickets
The given expression to find total cost to order:
To find the total cost of ordering 4 tickets, simply substitute 4 for in the expression, and solve:
Therefore, the total cost of ordering 4 tickets is $43.
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You can check your work by setting the given expression equal to 43:
Subtract from both sides of the equation:
Divide both sides of the equation by the coefficient of , which is
:
This shows that the cost of ordering 4 tickets is in fact, $43.
Our solution is correct!