In general, how much weight can a person safely lose in one week?

According to experts, losing 1–2 pounds (0.45–0.9 kg) per week is a healthy and safe rate, while losing more than this is considered too fast. However, you may lose more than that during your first week of an exercise or diet plan.

Hmm at least 10

Explanation:

Because if you exercise, and eat healthy in that week, u will loose 10 safely

obviously, the latter.