SOLUTION: The area of the projected rectangular image varies jointly with the length and width of the image being projected. The area of the projected image of an 8.5-inch by 11-inch image

Question 37603: The area of the projected rectangular image varies jointly with the length and width of the image being projected. The area of the projected image of an 8.5-inch by 11-inch image is 374 square inches. Find the area of the projected image of an 11-inch by 17-inch image.
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
8.5*11=93.5
11*17=187
Equation:
93.5x=187(374)
x=748
Hence, the area given by 11 * 17 is 748 square inches.
Paul.
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