Answer:Here's the breakdown of the problem: 1. What operation/s you will use to solve the problem?d. A & B You'll use both addition and subtraction.Addition to find the total cost of the sandwich and juice.Subtraction to find the amount of money left. 2. What is the number sentence?a. P100-(P25.50 + P12.75) = NThis correctly represents the problem:Start with Sofia's initial money (P100).Subtract the total cost of the sandwich and juice (P25.50 + P12.75).The result is the amount of money left (N). 3. What is the answer?a. P61.25 Here's how to solve it:Total cost: P25.50 + P12.75 = P38.25Money left: P100.00 - P38.25 = P61.75 Therefore, Sofia has P61.75 left.