how much
Cuantas means How many.
It means "How much."
How many sisters do you have?
It means: How many houses do you have? It could also mean: How many houses does he/she have?
"Cuantas son" in Spanish translates to "how many are there?" or "how many of them." It is often used to ask for a specific quantity or number of things in a conversation.
Compre / compren / compra / comprad unas cuantas cosas.
Cuantas toallas?
How many times a year do you go to the hospital
That is Spanish for "How many rooms does it have?"
cuantas oportunidades necesitas
How many classes do you have on Tuesdays? is ¿Cuántas clases tienes los martes? (Note that days of the week aren't capitalized in Spanish.)
Translation: Cuantas lenguas hablas?