For every 12 monkeys that a zoo keeps, it must hire 3 zookeepers. If a zoo is rehabilitating 228 monkeys, how many zookeepers does the zoo need?(For every 12 monkeys that a zoo keeps, it must hire 3 zookeepers. If a zoo is rehabilitating 228 monkeys, how many zookeepers does the zoo need?(For every 12 monkeys that a zoo keeps, it must hire 3 zookeepers. If a zoo is rehabilitating 228 monkeys, how many zookeepers does the zoo need?(
Since for every 12 monkeys the zoo keeps, it must hire 3 zookeepers, then for 228 monkeys the zoo needs (228/12) * 3 = 57 zookeepers. Answer: \boxed{57}.
