Answer:Here's how to solve the problem: 1. Calculate the total amount collected: - ₱27.00 + ₱36.75 + ₱28.00 = ₱91.75 2. Subtract the cost of the broom: - ₱91.75 - ₱45.30 = ₱46.45 Operations used: - Addition: To find the total amount collected.- Subtraction: To find the remaining amount after buying the broom. Answer: The class treasurer holds ₱46.45 after buying the broom.