The length of the rug is 16, the width is 8. Because 2/3 of the rug is length, that means 1/3 is width. Divide 24 by 3 to get 8, and because the length of the rug is 2/3 of the entire rug, multiply 1/3 of the rug (8) by 2 and get 16
Hope this helps :)