Answer:Here's how to calculate the total cost: 1. Calculate the cost of the eggplants:Cost per kilogram of eggplant: Php 3Quantity of eggplant: 2 1/2 kilograms = 5/2 kilogramsTotal cost of eggplants: (Php 35/kilogram) * (5/2 kilograms) = Php 87.50 2. Calculate the cost of the ampalaya:Cost per kilogram of ampalaya: Php 60Quantity of ampalaya: 2 1/3 kilograms = 7/3 kilogramsTotal cost of ampalaya: (Php 60/kilogram) * (7/3 kilograms) = Php 140 3. Calculate the total cost:Total cost of eggplants: Php 87.50Total cost of ampalaya: Php 140Total cost: Php 87.50 + Php 140 = Php 227.50 Therefore, the total cost of 2 1/2 kilograms of eggplants and 2 1/3 kilograms of ampalaya is Php 227.50.