For this case, we can translate the dialogue as:
Eva: How many people live in your house?
Laura: __________________
Laura must respond indicating the number of people living in her house.
Example:
Eva: How many people live in your house?
Laura: In my house we live "x" people.
WHere x represents the number of people living in Laura's house including herself.
ANswer:
Eva: ¿Cuántas personas viven en tu casa?
Laura: En mi casa vivimos "x" personas.
