продавались

were sold, were being sold

p r ə d ɐ v a lʲ ɪ sʲ → продаваться
про through, across; to completion + дава give + л Past tense + и Plural + сь Reflexive marker
verb · plural, past tense Rare #50,024
were sold, were being sold Often used to say how well something sold or was available for sale.
RU: Эти книги продавались в каждом магазине.
EN: These books were sold in every store.
Conjugation of продаваться
Indicative past
продавались

Они плохо продавались.

They weren't selling well.

— Рим, открытый город (1945)

Они хорошо продавались!

They sold well!

— Мамочка (2014)