Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After runni
ng for 54 minutes, she completes 6 kilometers. Her trainer writes an equation letting t, the time in minutes, represent the independent variable and k, the number of kilometers, represent the dependent variable. Write the equation.
First, we need her speed as it will serve as the slope of the equation. Distance = 2 km time = 18 min Speed = 1/9 km/min k = (1/9)t Where k is the distance in km and t is the time in minutes.
