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Mathematics 11 Online
OpenStudy (anonymous):

The length of a rectangle is 4 inches more than its width, and its perimeter is 34 inches. Find the length and width of the rectangle. Find the width of the rectangle.

OpenStudy (pfenn1):

\[l=w+4\]where l is length and w is width. The perimeter of a rectangle is given by \[P=2l+2w\]Substituting\[34=2(w+4)+2w\]Solve for w. Plug back into first equation to solve for l

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