2p =17n+13
1) Since the dimensions are:
width : 7n -1.5
length: 1.5n + 8
2) We can plug them into the Perimeter (2p) formula for the rectangle:
2p =2(w+l)
2p =2(7n-1.5 +1.5n+8)
2p= 14n-3 +3n+16
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