Numbers 28:18

Also, one male goat for a sin offering to the LORD shall be offered in addition to the continual burnt offering and its drink offering.

“‘In the first month, on the fourteenth day of the month, is the LORD’s Passover.

On the fifteenth day of this month shall be a feast. Unleavened bread shall be eaten for seven days.

but you shall offer an offering made by fire, a burnt offering to the LORD: two young bulls, one ram, and seven male lambs a year old. They shall be without defect,

with their meal offering, fine flour mixed with oil. You shall offer three tenths for a bull, and two tenths for the ram.

You shall offer one tenth for every lamb of the seven lambs;