Equos is defined as the plural of equus. Equus are mammals that include horses, asses, donkeys, mules, and zebras, and onagers.
Not sure what you mean by "equos" but if you meant "equals", then the answer, is exactly 1.
equos
The good girls praised the large horses
A band of thunderstorms can be named several things depending on its characteristics. They can often be described as squall lines. When the band bows in the middle, they are called bow equos (AKA derechos) which have extremely strong straight-line winds.
Horse! Equus is where we get 'equestrian' from. It is a 2nd Declension noun. The conjugations are as follows: equus -- Nominative Singular -- 'the horse' equi -- Genitive Singular -- 'of the horse/the horse's' equo -- Dative Singular -- 'to the horse' equum -- Accusative Singular -- 'the horse/a horse' (direct object) equo -- Ablative Singular -- 'by the horse/with the horse/from the horse' equi -- Nominative Plural -- 'the horses' equorum -- Genitive Plural -- 'of the horses' equis -- Dative Plural -- 'to the horses' equos -- Accusative Plural -- 'the horses' (direct object) equis -- Ablative Plural -- 'by the horses/with the horses/from the horses'