Every hour at work,
you are able to ship out the same number of packages. If in the 2^{nd}
hour of work, you have shipped out 12 packages, and by the 5^{th} hour,
you have shipped out 30 packages, what is the rate at which you ship out
packages?

packages/hour

The rate at which you ship out the packages is the slope of the line of the 2 data points we know.

m =

Points we know: (2, 12) and (5, 30).

m =

m =

m = 6