Problema Solution
a small rectangular garden is 3 feet longer than it is wide. its area is 180 square feet.
Answer provided by our tutors
let
w = the width of the garden, w>0
l = the length of the garden, l>0
a small rectangular garden is 3 feet longer than it is wide
l = w + 3
its area is 180 square feet
l*w = 180
if we plug l = w + 3 in the last equation we get
(w + 3)*w = 180
by solving the equation we find
w = 12 ft
l = 12 + 3 = 15 ft
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the width of the garden is 12 ft.
the length of the garden is 15 ft.