Ok, I can only assume that this question is asked by an adolescent boy as I would guess that anyone who actually wears a bra and can figure out how to put one on, can figure out how to take one off. There are two types of bras, ones that have a clasp in the front, and ones that unhook in the back. You will need to determine which type of clasp the bra has before proceeding, but this info can usually be obtained by means of something innocent like a back rub. Bras that fasten in the front usually have only one clasp, while those in the back may have two or three. It’s not rocket science, and if your date is really willing she may even help you out.