Question

For the proportion, find the unknown number n. 9/n=0.9/3.6

Answer 1

$\begin{gathered} \frac{9}{n}=\frac{0.9}{3.6} \\ \text{cross}-mu\text{ltiplying we have} \\ 0.9n=9\times3.6 \\ \Rightarrow n=\frac{9\times3.6}{0.9} \\ \Rightarrow n=36 \end{gathered}$