An international group of zookeepers with successful breeding programs made the following animal exchanges last year. Using the same bartering system, how many oryxes can a zoo obtain in exchange for 15 flamingos? 3 oryxes = 1 tiger 2 flamingos = 1 anteater 1 camel = 6 anteaters 5 lemurs = 1 rhino 1 rhino = 4 monkeys 3 lemurs = 1 camel 3 monkeys = 1 tiger 1 rhino = 4 oryxes A) one oryx B) three oryxes C) four oryxes D) five oryxes