Since he bought more than one of each, he needs to find the total cost of the biscuits and sausage first.
The correct answer should be:
B. Step 1: Calculate the price of 3 biscuits. Step 2: Calculate the price of 3 sausages. Step 3: Add the total amounts from Steps 1 and 2 to the amount of the tip. Step 4: Subtract that total amount from $25.