International Standard Version Count their number from between 30 to 50 years old, including everyone who can enter the service to perform work at the Tent of Meeting."
American Standard Version from thirty years old and upward until fifty years old shalt thou number them; all that enter in to wait upon the service, to do the work in the tent of meeting.
Young's Literal Translation from a son of thirty years and upward, till a son of fifty years thou dost number them, every one who is going in to serve the host, to do the service in the tent of meeting.