In order to solve this equation for t, we just need to divide both sides of the equation by 2.5.
So we have that:
[tex]\begin{gathered} 2.5t=20 \\ \frac{2.5t}{2.5}=\frac{20}{2.5} \\ t=\frac{20}{2.5} \\ t=8 \end{gathered}[/tex]So the solution for this equation is t = 8.