Answer:Here's how to solve the problem:Total amount: You have 2 x 1000 pesos = 2000 pesos.Value of 20-peso bills: 25 x 20 pesos = 500 pesos.Remaining amount: 2000 pesos - 500 pesos = 1500 pesos.Number of 100-peso bills: 1500 pesos / 100 pesos = 15 bills. Therefore, you will have 15 pieces of 100-peso bills.