4. Last year there were 600 students
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Hi!
<h3>Let's set up a proportion and cross multiply to solve. </h3>2 * 12 = 24
24/3 = 8
<u></u>
<em>(l = length</em>
<em>w = width </em>
<em>p = perimeter)</em>
l + l + w + w = p
<u>12 + 12 + 8 + 8 = 40</u>
<h2>The perimeter of the floor is 40 meters. </h2>Hope this helps! :)
-Peredhel