Leviticus 27:27

27:27 If it is an unclean animal, then he shall buy it back according to your valuation, and shall add to it the fifth part of it: or if it isn't redeemed, then it shall be sold according to your valuation.
-World English Bible

Other Translation

27:27 And if [it be] of an unclean beast, then he shall redeem [it] according to thine estimation, and shall add a fifth [part] of it thereto: or if it be not redeemed, then it shall be sold according to thy estimation.
-King James Version