Exodus 36:15

All eleven curtains were the same size--thirty cubits long and four cubits wide.

(New International Version)

The length of each curtain was thirty cubits and four cubits the width of each curtain; the eleven curtains had the same measurements.

(New American Standard Bible)

The length of one curtain was thirty cubits, and four cubits was the breadth of one curtain: the eleven curtains were of one size.

(King James Version)