رجل بالغ عنده حروق في كامل مقدمة الجذع وكامل الذراع اليمنى. حسب قاعدة التسعات، كم نسبة المساحة المحروقة؟

An adult man has burns over the entire front of his trunk and his whole right arm. By the rule of nines, what percentage is burned?

1. 36%
2. 22.5%
3. 27%
4. 18%

Answer: C) 27%. The front of the trunk is 18% and a whole arm 9%, total 27%.