Answer:
h = 3f
Step-by-step explanation:
Perimeter of house = 2(Length + width)
P = 2(L+W)
If the length of a house is tree time it width, then;
L = 3W
L = 3f (since W =f)
Substitute;
P = 2(3f+f)
P = 2(4f)
P = 8f
If the perimeter is h, then;
h = 3f
The expression of h in terms of f is h = 3f
