Numbers 23:2

23:2 So Balak did just as Balaam had said. Balak and Balaam then offered on each altar a bull and a ram.

Numbers 23:14

23:14 So Balak brought Balaam to the field of Zophim, to the top of Pisgah, where he built seven altars and offered a bull and a ram on each altar.

Numbers 23:30

23:30 So Balak did as Balaam had said, and offered a bull and a ram on each altar.