Grace saw 16 bird habitats at the zoo's aviary. the sign said each habitat had 12 birds. how many birds were in all?

Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.