1. "I got us a Kalotan rug," Andy told his wife. "It took some finding as you wanted a true square." Judy smiled. "What size is it?" "Well, I found three in one shop, different sizes, so I took the middle one," Andy replied. "Mine was 720 square kils bigger than the smallest, but the same amount smaller than the largest, and the sides were all exact numbers of kils." What were the respective dimensions?
