La galerie ouvre-t-elle le vendredi
La galerie ouvre-t-elle le vendredi
I don't understand the usage of 'elle' here. Can anyone explain it to me?

Question

La galerie ouvre-t-elle le vendredi
La galerie ouvre-t-elle le vendredi 
I don't understand the usage of  'elle' here. Can anyone explain it to me?

Answer

Salut Foster!
The "elle" in this sentence refers to "galerie," which is a feminine noun! Think of it this way:
The gallery, is it (the gallery) open on Friday?