Emma saw birds, fish, and bears at the zoo. one-third of the animals did not have feathers or fur. one half of the animals have four legs. there were one-sixth of the animals left. what fraction of the animals were birds?

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?