Problema Solution
The perimeter of a rectangle is 52 in. Its length is 12in. Write and solve an equation to determine the width of the rectangle.
Answer provided by our tutors
let
w = the width of the rectangle
l = 12 in is the length of the rectangle
P = 52 in is the perimeter of the rectangle
since the perimeter = 2(length + width) we have:
P = 2(l + w)
2(12 + w) = 52
by solving we find:
w = 14 in
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the width of the rectangle is 14 inches.