Solve the Problem. -A Piece of Rectangular Sheet Metal Is 5 Inches Wide

Multiple Choice

Solve the problem.
-A piece of rectangular sheet metal is 5 inches wide. It is to be made into a rain gutter by turning up equal edges to form parallel sides. If the length of each parallel side is x inches, what value of x will maximize the rain
Gutter's cross-sectional area (and thus maximize the amount of water the gutter will hold) ? If necessary, round
To the nearest hundredth.

A) 1.25 in.
B) 10 in.
C) 20 in.
D) 2.5 in.