Question

answer attempt 1 out of 2
p =

Explanation:

Step1: Recall perimeter formula

Perimeter is sum of all side - lengths.

Step2: Count side - lengths

There are 4 sides of length $n$ and 8 sides of length $p$.

Step3: Calculate perimeter

$P = 4n+8p$

Answer:

$P = 4n + 8p$