Respuesta :

The correct answer is 13,800 feet.

Explanation:

30 to 40 feet has an area of 30 x 40 = 1200 sq ft

100 to 150 feet has an ares of 15,000 sq ft.

To get to the answer, you simply subtract 1200 from 15,000 to get 13,800.

Hope this helps! :)