Practice!

Sample Problem

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

packages/hour

Solution

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