Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar.

Jarred drew the model below of his backyard. The perimeter of the backyard is 40 feet, and the backyard is 8 feet wide. How many feet long are all the sides of his backyard?
Figure not drawn to scale.

8 ft

__ft __ft

___ft

16 ft in one box, 8 ft in the second box, and 8 ft in the third box.