Question

Find the ratio of the following
$72$ to $36$

Answer 1

$72:36$

$72=6^2\times 2$

$36=6^2$

Therefore,

$72:36=\frac{72}{36}=\frac{6^2\times 2}{6^2\times 1}=\frac{2}{1}$

$\therefore 72:36=2:1$