Answer:
Perimeter of the rectangle = 4y - 4
Step-by-step explanation:
Perimeter of rectangle = 2(l + b)
l = y + 1
b = y - 3
Perimeter
= 2(l + b)
= 2l + 2b
= 2(y + 1) + 2(y - 3)
= 2y + 2 + 2y - 6
= (2y + 2y) + (2 - 6)
= 4y - 4
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