Problem of the Day – November 19, 2019

In $\triangle ABC$, $D$ is on line $\overline{BC}$ and $\overline{BD}=\overline{CD}$, $E$ is on line $\overline{AC}$ and $\overline{AE}=2\overline{CE}$. Find the value of $\dfrac{\overline{DF}}{\overline{AF}}$.