standard_description: Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values.
problem_activity: Task
Angel and Jayden were at track practice. The track is $\frac25$ kilometers around.
Angel ran 1 lap in 2 minutes.
Jayden ran 3 laps in 5 minutes.
How many minutes does it take Angel to run one kilometer? What about Jayden?
How far does Angel run in one minute? What about Jayden?
Who is running faster? Explain your reasoning.


aligns: no