You can tip 15% for the meals and 10-20 pesos to the driver. Check this article for more tipping information https://www.cancuncare.com/money/tipping-in-cancun/ also if you are looking to get more information about what to check in Cancun, check this article I've found online https://gowithguide.com/blog/tourism-in-cancun-statistics-2023-the-ultimate-guide-5523