The census in Bamidbar 26 is directed thus: Take the sum of all the congregation of the children of Israel, from twenty years old and upward, by their fathers' houses, all that are able to go ...
Why is the erech (Vayikra 27:1–8) of a woman less than that of a man? And why does erech depend on age? Sources, please.
כֹּה תֹאמַר לְבֵית יַעֲקֹב וְתַגֵּיד לִבְנֵי יִשְׂרָאֵל Rashi say that בֵית יַעֲקֹב refers to the women He has an answer to this question but I know there are other good ones Why the Women first?