Answer:
-1/4
Step-by-step explanation:
523 - 99 = 424
A calculator could help you out with problems like these...
So hmm notice the picture below
thus, the perimeter of the gutter is just w + w + l, or 2w +l
thus

take the derivative of A(w), zero it out, check any critical points in the interval of (0, 22), for a maxima
recall, the aluminum sheet is just 22inches long, thus, whatever the "depth" or "w" is, has to be more than 0, and less than 22
Answer:
92
Step-by-step explanation:
1
44
48+
92