The ratio of speeches by candidate A to candidate B can be made as:
[tex]48\colon16[/tex]If we divide both numbers by 16, we get:
[tex]\begin{gathered} \frac{48}{16}\colon\frac{16}{16} \\ 3\colon1 \end{gathered}[/tex]Answer: the ratio of speeches by candidate A to candidate B is 3:1