Leviticus 27:6-7
month <02320> [from.]
male <02145> [the male.]
The male five shekels, 15s., the female three shekels, 9s. Being both in infancy they were nearly of an equal value.
sixty <08346> [from.]
fifteen <02568> [fifteen.]
The old man and the old woman, being almost past labour, were nearly of an equal value; the former being estimated at 15 shekels, and the latter at 10.