Question

A person's height is measured to be 67.50 in.what is this height in centimeters

Answer 1

$$\begin{matrix} 1\ in & & 2.54\ cm \\ 67.50\ in & & x\ cm \\ \end{matrix}$$

$$x=\dfrac{2.54\ cm\cdot67.50\ in}{1\ cm}=171.45\ cm$$

A person's height is measured to be 171.45 cm.