English Standard Version
from thirty years old up to fifty years old, everyone who could come to do the service of ministry and the service of bearing burdens in the tent of meeting,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