"¿Qué hay en tu casa?" translates to "What is in your house?" in English. It is a question asking about the contents or things present in someone's home.
It means "How many bedrooms are in your house?" You would reply: Hay ____ dormitorios en mi casa. (Place whatever number of bedrooms you have in the blank).
It depends on whether this is a statement or a question: ?Hay una sala en tu casa? = Is there a room in your house. Hay una sala en tu casa. There is a room in your house.
Cuantos personas hay en tu familia means, how many people are in your family. so in response you would say, Hay ( then the number), as a short answer and as a longer answer, Hay (NUmber) personas en mi familia.
"cuántos cuartos hay en la casa?" means "How many rooms are there in the house" in English.
It means, "How many are there in your family?"
"Cuantas personas hay en tu casa" means "How many people are in your house?" in English.
There is in front of the house
What do you order when there is no meat? Pido pescado (prefiero camarones) si estoy en un restaurante, o pizza si estoy en casa con mi familia. Algo vegetariano es una posibilidad.
Hay cinco personas en mi familia
how many people are there in your family?
how many windows are in your house