Jack puts 1/3 pound of seed in the bird feeder each time he fills it. How many times can he fill the bird feeder with four pounds of seed?

Answer 1

The number of times Jack can fill the bird feeder with four pounds of seed is (4 pounds / 1/3 pound/time) = 4 * (3/1) = <<4*(3/1)=12>>12 times. Answer: \boxed{12}.