Ustedes estudian en la biblioteca is the correct answer.
Spanish has verb suffixes for each pronoun, which is something English only has for third person singular (-s, or -es). So, this is how to conjugate the verb estudirar (=to study):
1. yo estudio 1. nosotros estudiamos
2. tu estudias 2. vosotros estudiais
3. el/ella/Usted estudia 3. ellos/ellas/Ustedes estudian
The Answer To This Is "Please Speak More Slow"
Answer:
¿Por cuanto tiempo trabajaste para ellos?
Trabajé para ellos durante 5 meses.
It might be 56 percent cause babys are born every two seconds
