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Please help 25 points the problem is below
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3 votes
Please help 25 points the problem is below

Please help 25 points the problem is below-example-1
User Luxspes
by
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1 Answer

4 votes

The formula of an area of a rectangle:


A=wl

We have l = 2w + 40

Substitute:


A=w(2w+40)=2w^2+40w

User Stux
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