It is "Dos cervezas por hora"
Más cervezas, por favor.
"The hour" is "la hora".
To say, 'the cocktail hour', you say, "La hora del cóctel."
El Hours
Tres hora
Hora Feliz.
You say: medio pasado una hora
Estudio una hora.
It means "per hour".
45 minutes is in English. Or you could say three quarters of an hour.
I'd say about 30-50 dollars per hour. If you want to know per year, it's about $45,000.
It is a measure of speed.