Dont click the link its a virus, there is a bot going around answering peoples things trying to get them to download it.
Step-by-step explanation:
The answer is A, because if you take the coupon price (2.50) off of each number Ex: 3.00 it would be 3.00 - 2.50 = 0.50, keep doing that for each one and you will see they all match uo.
