perimeter of the garden is now twice the perimeter of the old garden.
Perimeter of new garden = 2(Perimeter of old garden
Expression for the perimeter of new garden is 12w + 16
where, w represent the width of the garden,
So, Perimter of new garden is twice the perimeter of the old garden.
12w + 16 = 2 (Perimeter of old garden)
Perimeter of Old garden = (12w + 16)/2
Perimeter of Old garden = 6w + 8
Answer : The expression for the perimeter of old garden is 6w + 8
