Ashley meets Adam the next day to discuss more of the details of the sale

Ashley meets Adam the next day to discuss more of the details of the sale. They agreed to all terms clearly and Adam found out that Ashley is actually the owner of a major distributor of education products in her hometown. However, one week after they signed the contract, Adam was told that Ashley was a minor. However, Ashley kept reassuring him that she will be turning 18 years old in a week and she will honour her part of the contract. Discuss if the contract signed is binding, and what are the options available to Ashley and Adam.