A gutter is to be made by folding up the edges of a strip of metal.
If the metal is 12 in wide and the cross-sectional area of the gutter is to be 16 7/8 in sq,
what are the width and depth of the gutter?
This is the strip of metal before folding.
: - - - - -12 - - - - - :
: x : 12-2x : x :
This is the gutter after folding.
x | | x
The cross-sectional area is: .
We're told that this area will be: inē.
There is our equation . . .
Multiply by 8: .
There are two solutions . . .
. . .