Answer:
\(16\ ft\)
Step-by-step explanation:
To find how much weatherstripping will Mike need, calculate the perimeter of the window
so
The perimeter of a rectangular shape is equal to
\(P=2(b+h)\)
we have that
\(b=3.5\ ft, h=4.5\ ft\)
substitute in the formula
\(P=2(3.5+4.5)=16\ ft\)
