Respuesta :

Answer:

The actual length of the second wall is 518.4 in or 43.2 ft

Step-by-step explanation:

1. Get the 12 ft to inches. 12 x 12= 144

2. Do 144/2.5 because that’s what the 144 was reduced to

3. You get 57.6

4. You times 9 by 57.6 to get it to its original size

5. You get 518.4 inches or convert it to 43.2 ft