Question 1119750
the perimeter of a rectangle is 30cm. if the width is 5cm, what is <s>it's</s> its length
<pre>With length being L and width, W, we get: 2L + 2W = 30_____L + W = 15
L + 5 = 15 ----- Substituting 5 for W
{{{highlight_green(matrix(1,8, L, or, length, "=", 15 - 5, "=", 10, cm))}}}