The length of a rectangular poster is 5 more inches than three times its width. Thearea of the poster is 42 square inches. Solve for the dimensions (length and width) ofthe poster.

Respuesta :

Let l and w be the length and width of the poster, respectively; therefore, according to the question,

[tex]\begin{gathered} l=3w+5 \\ and \\ A=42 \end{gathered}[/tex]

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