SOLUTION: The image of a microchip in a projection microscope measures 8 inches by 10 inches. The width of the actual chip is 4 millimeters. How long is the chip?

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Question 401794: The image of a microchip in a projection microscope measures 8 inches by 10 inches. The width of the actual chip is 4 millimeters. How long is the chip?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
8/4=10/x
8x=40
x=5 mil