The equation to model the given situation is x+y=30.
Given that, the perimeter of a rectangular room=60 feet.
The formula to find the perimeter of the rectangle is 2(l+b).
Where, l=length and b=width.
Let x be the width of the room (in feet) and let y be the length of the room (in feet).
So, 60=2(x+y)
⇒x+y=30
Therefore, the equation to model the given situation is x+y=30.
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