Este verano, nosotros vamos a ir de vacaciones a Peru.
I couldn’t quite understand it, but I hope this helps!
C) nieta or granddaughter
Necesito las opciones que te dan
Answer: Cuestan.
Explanation: Cuanto means How much in english, so the question is asking how much those books are going to cost. Whenever you see a Cuanto in a question like that, assume it's talking about a number of something, or money. So Cuestan means cost, in the terms of "How much does this item cost?".