King James Version
From thirty years old and upward even unto fifty years old, every one that came to do the service of the ministry, and the service of the burden in the tabernacle of the congregation,New International Version
All the men from thirty to fifty years of age who came to do the work of serving and carrying the Tent of MeetingCatholic Public Domain Version
from thirty years and above, until the fiftieth year, entering for the ministry of the tabernacle and carrying the burdens