Antoine roped of a square section of the park for a picnic.each side used 15&1/2 of rope. how much rope did anoine use in all?
Since a square has all sides equal, he used 4 x (15 + 1/2) units of rope = (4 * 15) + (4 * 1/2) = 60 + 2 = 62 units of rope...