Respuesta :

Here, we know, Area = Length * Width
Substitute your given values in the expression, 

36 1/4 = 8 3/4 * w
145/4 = 35/4 * w
w = 145/4 * 4/35
w = 145/35
w = 4 5/35 = 4 1/7 feet

In final, Correct answer would be 4 1/7 feet

Hope this helps!!