Answer:
First, we know that the area of a rectangle is
l
w
, where
l
is the length and
w
is the width.
Since we know that the area is
250 ft
2
, that means:
l
w
=
250
We also know that the length is
7 ft
more than twice the width, meaning:
l
=
7
+
2
w
However, we only want one equation in terms of
w
.
The first equation,
l
w
=
250
, can be rewritten as:
l
=
250
w
when you divide
w
on both sides.
Therefore, we can plug this into the second equation for
l
, and we will we have the equation in terms of
w
:
250
w
=
7
+
2
w
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