Q10 of 32 Page 236

The design of a microchip has the scale 40:1. The length of the design is 18cm, find the actual length of the microchip?

Given: Length of the microchip design = 18cm, Scale Ratio = 40:1

To find: Actual Length of microchip


Formula:


Substituting x1 = 1, y1 = 40 y2 = 18 in the formula,



Gives x2 =


= 0.45 cm


∴The actual length of the microchip is 0.45 cm


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