How much alcohol leaves your system in two hours and a half?

The rate at which alcohol leaves your system can vary depending on several factors such as age, weight, gender, and metabolism. On average, a healthy adult male can process about 0.015 grams of alcohol per hour, while a healthy adult female can process about 0.012 grams of alcohol per hour.

Therefore, in two and a half hours, a healthy adult male can process approximately 0.0375 grams of alcohol, and a healthy adult female can process approximately 0.03 grams of alcohol. However, it's important to note that these are just estimates and the actual rate of alcohol elimination can vary from person to person.