Problema Solution
A rectangle flower bed is 2 feet longer than twice the width, and has a perimeter of 40 feet. What are the dimensions of the flower bed?
Answer provided by our tutors
let
l = the length of the rectangle
w = the width of the rectangle
P = 40 ft the perimeter of the rectangle
rectangle flower bed is 2 feet longer than twice the width
l = 2 + 2w
perimeter of a rectangle is P = 2(l + w)
2(l + w) = 40 divide both sides by 2
l + w = 20
by solving the system of equations
l = 2 + 2w
l + w = 20
we find
l = 14 ft
w = 6 ft
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the dimensions of the flower bed are 14 ft and 6 ft.