King James Version (KJV) - Numbers 18:21 >

And, behold, I have given the children of Levi all the tenth in Israel for an inheritance, for their service which they serve, [even] the service of the tabernacle of the congregation.

Jewish Publication Society of America Version (JPS1917) - Numbers 18:21 >

And unto the children of Levi, behold, I have given all the tithe in Israel for an inheritance, in return for their service which they serve, even the service of the tent of meeting.