Question: Johnny is designing a rectangular poster to contain 90 in of printing with a 5-in margin at the top and bottom and a 2-in margin

Johnny is designing a rectangular poster to contain 90 in" of printing with a 5-in margin at the top and bottom and a 2-in margin at each side. What overall dimensions will minimize the amount of paper used? The dimensions of the poster that minimize the amount of paper used are | in. (Simplify your answers. Use a comma to separate answers.)

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