Answer:
3x-20 or x=6.6 but Im not sure.
Step-by-step explanation:
Alright, so let's make the length x and the width y. 2y=x, and xy=area. 2x+2y=perimeter. Plugging 2y=x into the perimeter equation, we get that 3x=perimeter=126, and x=126/3=42
Length=42ft, width=21ft
Answer:
Hope this will help you and hope you understand my handwriting