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When a certain projector is 3 feet from the screen, the area [#permalink]
22 Sep 2006, 22:58
0% (00:00) correct
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When a certain projector is 3 feet from the screen, the area of the picture on the screen is 6 square feet. If the projector is moved to a position n times as far away from the screen, then the picture will take up n^2 times as much space on the screen. When this projector is 5 feet from the screen, the area, in square feet, of the picture on the screen is