Exodus 26:16

Ten cubits shall be the length of a board, and a cubit and a half shall be the breadth of one board.
— Exodus 26:16, King James Version

In other translations

World English Bible (WEB)

Ten cubits shall be the length of a board, and one and a half cubits the breadth of each board.

American Standard Version (ASV)

Ten cubits shall be the length of a board, and a cubit and a half the breadth of each board.

Young's Literal Translation (YLT)

ten cubits <FI>is<Fi> the length of the board, and a cubit and a half the breadth of the one board;