Question

The ratio of 8 books to 20 books isA) 2:5B) 5:2C) 4:5D) 5:4

Answer 1

the ratio of 8 books to 20 books is:

$8\colon20$

now we can divide by the same number so:

$\begin{gathered} \frac{8}{2}\colon\frac{20}{2} \\ \frac{4}{2}\colon\frac{10}{2} \\ 2\colon5 \end{gathered}$

SO is option A)