I purchased 5 about 3 months ago. Two leghorns, 2 Rhode island reds, and the turken. One white is not laying yet and I don't think a red is either, although she is about 8 months now.
A you positive they are pullets? If not, post some pics of them on our What Breed or Gender is This? section at https://www.backyardchickens.com/f/15/what-breed-or-gender-is-this and let our experts there take a look at them for you. Sometimes we get new members who don't understand why their hens aren't laying only to discover that they are in fact, roosters. Good luck in getting those eggs.