Question 1101639
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The length of Marshall poster is 2 times its width if the perimeter is 72 inches what is the area of the poster
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WHAT?




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The length of Marshall poster is 2 times its width.
If the perimeter is 72 inches, what is the area of the poster?
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Oh!  Now I understand what you want.


Pick a variable for the/or any unknown number.  Write equations for the problem description, which here, may include using formula for Area.
Solve the problem question.


VARIABLES
x for length
y for width
A for Area


MAKE EQUATIONS
{{{system(x=2y,2x+2y=72,xy=A)}}}
this system can be made much simpler.



You may now be able to make the simplifications and solve the problem.