The opposite of viejo is JOVEN
Answer: Tengo un pez beta, se llama Fuego. Es rojo y azul, y le gusta esconderse en un castillo en su pecera. Es un pez pequeño y muy bonito. Su pecera tiene guijarros azules en el fondo. Fuego es un nadador rápido. También tiene trozos de algas verdes en su tanque. También tiene un cofre del tesoro.
Explanation:
I have a beta fish, it's name is Fuego. He is red and blue, and likes to hide in a castle in his fish tank. He is a small fish, and very pretty. His fish tank has blue pebbles on the bottom. Fuego is a fast swimmer. He also has green seaweed pieces in his tank too. He also has a treasure chest.
The apartment in Quito costs $179,450.
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?".