what percentage of a persons skin would be involved if they had burned their left arm, front of the trunk…

what percentage of a persons skin would be involved if they had burned their left arm, front of the trunk, and the front of their left leg?\na 31.5%\nb 36%\nc 40.5%\nd 45%

what percentage of a persons skin would be involved if they had burned their left arm, front of the trunk, and the front of their left leg?\na 31.5%\nb 36%\nc 40.5%\nd 45%

Answer

Explanation:

Step1: Recall burn - percentage values

The front of an arm is 4.5% of the body's surface area, the front of the trunk is 18%, and the front of a leg is 9%.

Step2: Calculate total percentage

Add the percentages together: $4.5%+18% + 9%=31.5%$

Answer:

A. 31.5%