um i don't understand

Answer:
First we have to find the perimiter of the diagram
3+3+4+2=12
then we multiple by 4 which is 48 since the model is 1/4 the size
48 is the answer D
Hope This Helps!!!
Answer:
48
Step-by-step explanation:
(1/4) in = 1 feet
1 inch = 4 feet
3 in = 3*4 = 12 ft
2 in = 2 *4 = 8
4 in = 4 *4 = 16
Perimeter of actual deck = 12+ 12 + 8 + 16 = 48 ft