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Answer:
Step-by-step explanation:
let the width=x
length=3x+8
perimeter=2[3x+8+x]
=2[4x+8]
=8(x+2)
8(x+2)=64
x+2=64/8=8
x=8-2=6
width= 6 in
length=3(6)+8=26 in