Question

One half of the birds at a pet store are yellow. Tara buys one of the yellow birds. Then one third of the birds at the store are yellow how many yellow birds were their before Sara bought one.

Answer 1

They're is 2 left. Hope i helped :)

Answer 2

One half of four birds is two and since she bought a yellow one that's 4-1=3 and that's 1/3 so there were four birds