Answer:
12.5%
Explanation:
First we need to calculate the change in the area of Terry's room this is
108 ft2 - 96 ft2 = 12 ft2
Then we use a direct proportion in order to find the percentage
96 ft2 ----- 100%
12 ft2 ----- p?
Solvin for p we have that
![p=(12* 100)/(96)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/monea0wwf6ih8lgdz74ovxdm1echlxcvol.png)
p=12.5