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QUESTION
The area of a projected picture on a movie screen
- The area of a projected picture on a movie screen varies directly as the square of the distance from the projector to the screen. If a distance of 20 feet produces a picture with an area of 6[c]Â square feet, what distance produces an area of 1[a]0 square feet? Round to the nearest tenth of a foot. Use a=1 and c=4.
