Show me where 2/3 is on a ruler

A ruler equals 12 inches.

12 inches divided by 3 equals 4.

1/3 of a ruler equals 4 inches

2 x 4 is 8 inches

Therefore 2/3 of a ruler would equal 8 inches.

12 inches divided by 3 equals 4.

1/3 of a ruler equals 4 inches

2 x 4 is 8 inches

Therefore 2/3 of a ruler would equal 8 inches.

The number 9

That depends on what you're measuring 2/3 of. 2/3 of a foot is 8 inches.