New Revised Standard Version
from thirty years old up to fifty years old you shall enroll them, all who qualify to do work in the tent of meeting.

New American Bible
enrolling all between thirty and fifty years of age who will join the personnel to do the work in the tent of meeting.

Douay-Rheims Bible
From thirty years old and upward, unto fifty years old. Number them all that go in and minister in the tabernacle of the covenant.

From thirty years old and upward, unto fifty years old. Number them all that go in and minister in the tabernacle of the covenant.

thirty years

Numbers 4:3 From thirty years old and upward, to fifty years old, of all that go in to stand and to minister in the tabernacle of the covenant.

to perform the service.

Numbers 4:3 From thirty years old and upward, to fifty years old, of all that go in to stand and to minister in the tabernacle of the covenant.

Isaiah 63:1-4 Who is this that cometh from Edom, with dyed garments from Bosra, this beautiful one in his robe, walking in the greatness of his strength. I, that speak justice, and am a defender to save. . . .

Romans 7:14-24 For we know that the law is spiritual. But I am carnal, sold under sin. . . .

1 Corinthians 9:7 Who serveth as a soldier, at any time, at his own charges? Who planteth a vineyard and eateth not of the fruit thereof? Who feedeth the flock and eateth not of the milk of the flock?

2 Corinthians 6:7 In the word of truth, in the power of God: by the armour of justice on the right hand and on the left:

2 Corinthians 10:3-5 For though we walk in the flesh, we do not war according to the flesh. . . .

Ephesians 6:10-19 Finally, brethren, be strengthened in the Lord and in the might of his power. . . .

Galatians 5:17,24 For the flesh lusteth against the spirit: and the spirit against the flesh: For these are contrary one to another: so that you do not the things that you would. . . .

1 Timothy 1:18 This precept, I commend to thee, O son Timothy: according to the prophecies going before on thee, that thou war in them a good warfare,

2 Timothy 2:3,4 Labour as a good soldier of Christ Jesus. . . .

2 Timothy 4:7 I have fought a good fight: I have finished my course: I have kept the faith.