Question

If an electronics company wants to shrink the dimensions of a Tablet measuring 20cm wide by 25cm high by a scale factor of 2/5, what is the new width of the Tablet?

( recall that the scale factor is given by either model/original Or model:original.

Answer 1

linear scale factor $=\frac{model \space width}{original \space width}$

model width= linear scale factor $\times$ original width=$2/5\times 20cm=8cm$