Numbers 4:30

4:30 from thirty years old and upward even to fifty years old shall you number them, everyone who enters on the service, to do the work of the Tent of Meeting.
-World English Bible

Other Translation

4:30 From thirty years old and upward even unto fifty years old shalt thou number them, every one that entereth into the service, to do the work of the tabernacle of the congregation.
-King James Version