Question: Johnny is designing a rectangular poster to contain 20 in2 of printing with a 5-in margin at the top and bottom and a 1-in margin

Johnny is designing a rectangular poster to contain 20 in2 of printing with a 5-in margin at the top and bottom and a 1-in margin at each side. What overall dimensions will minimize the amount of paper used? (3 The dimensions of the poster that minimize the amount of paper used are D in. (Simplify your answers. Use a comma to separate answers.)

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