If the perimeter of square C is triple the perimeter of square D, the area of square C is how many t

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If the perimeter of square C is triple the perimeter of square D, the area of square C is how many times the area of square D?

A. 1/3
B. 1
C. 3
D. 9
E. 27

Let side of D be s. Perimeter is 4s. Area is (4s)^2 = 16s^2
Let side of C be 3s. Perimeter is 4(3s) = 12s. Area is (12s)^2 = 144s^2

144s^2/16s^2 = 9 times bigger