Respuesta :
[tex] \textrm{slope} = \dfrac{3\ \textrm{liters}}{2\ \textrm{days}} = \dfrac 3 2 \textrm{ liters/day}[/tex]
The equation is
[tex]y = \frac 3 2 x[/tex]
so after five days we have
[tex]\frac 3 2 (5) = \frac{15}{2} \textrm{liters}[/tex].
We can write the point as
[tex](5, 7.5)[/tex]