Answer: OPTION D.
Explanation:
You know that Lindy's total cost can be found using this expression provided in the exercise:
Where "d" is the number of drinks she orders and "t" is the number of toppings for a medium pizza she orders.
Since she and her friends to order 4 drinks and a medium pizza with 3 toppings, you can find the total cost by substitute values into the given expression.
The values are:
Substituting into the expression and evaluating, you get: