Final answer:
The smallest possible price for posting both large letters is $1.95.
Step-by-step explanation:
To find the smallest possible price for posting both large letters, we need to determine the weight of the letters and calculate the total cost based on the given pricing structure. If the weight of each large letter is w ounces, the cost for each letter can be calculated as:
Cost = $1.95 + $0.17(w - 3)
Since we want to find the smallest possible price, we need to minimize the weight of the letters. To do this, we set w = 3, which means the weight of each letter is the minimum allowed. Plugging this value into the cost equation:
Cost = $1.95 + $0.17(3 - 3) = $1.95
Therefore, the smallest possible price for posting both large letters is $1.95.