Final answer:
To find the cost of 5 gift cards (y) based on the number of gift cards (x), an equation or the price per gift card is needed, which is not provided in the question, making it impossible to determine y.
Step-by-step explanation:
The cost of 5 gift cards can be determined by setting up a simple equation where x represents the number of gift cards and y represents the cost of the gift cards. Since we are looking for the cost of 5 gift cards, we would plug in x = 5 into the equation that relates the number of gift cards to their total cost. However, the equation given in the question does not show a direct relationship between x and y. Therefore, we cannot determine y without the proper equation or the price of each gift card.
To find the cost of 5 gift cards, we can use the equation y = cost of gift cards and x = number of gift cards. However, the given information does not provide any specific values or equations to directly calculate the cost. We need additional information, such as the cost of one gift card or the relationship between the cost and number of gift cards, to solve the problem. If you have any specific values or equations, please provide them so that we can assist you further.