 
<translate> Ana ciyar da dolphins 4 / 2 = 2 buckets na kifi kowace rana. Ana ciyar da dabbobin teku 4 x 5 = buckets 20 na kifi kowace rana. Don haka, Mystic Aquarium yana bukatar 4 + 2 + 20 = buckets 26 na kifi kowace rana. Saboda haka a cikin mako guda, yana bukatar 26 x 7 = 182 buckets na kifi. Saboda haka, buckets 546 na kifi zai isa 546 / 182 = makonni 3. Saboda haka amsar ita ce 3. <eng> The dolphins are fed 4 / 2 = 2 buckets of fish each day. The sea animals are fed 4 x 5 = 20 buckets of fish each day. So, the Mystic Aquarium needs 4 + 2 + 20 = 26 buckets of fish each day. Thus in a week, it needs 26 x 7 = 182 buckets of fish. Therefore, 546 buckets of fish will last for 546 / 182 = 3 weeks. So the final answer is 3. 