Respuesta :

gmany

The formula of a slope:

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

We have the points (2, 5) and (4, 10). Substitute:

[tex]m=\dfrac{10-5}{4-2}=\dfrac{5}{2}=2.5[/tex]

This means that 2.5mm of rain falls every hour