Breakdown of ¿Cuántas horas trabajas en la oficina?
en
in / on / at
la oficina
office
cuánto
how much / how many
trabajar
to work
Questions & Answers about ¿Cuántas horas trabajas en la oficina?
Why is it cuántas with an "-as" at the end?
In Spanish, the words for "how much" and "how many" change to match the gender and number of the noun they describe. Because horas (hours) is a feminine plural word, you must use the feminine plural form cuántas.
Where is the "do you" in the Spanish sentence?
Could I add the word tú (you) to this sentence?