START (km) is how far the bus has traveled when Marabyn gets off and starts walking. RATE (km/min) is Marabyn's walking rate. TIME is the time Marabyn walks after she gets off the bus. END (km) is how many total kilometers Marabyn has traveled by both riding the bus and walking.

Button information:

After selecting the time and adjusting the slider to select a starting point, selecting the PREDICT button results in the calculation of the numbers and their display in the chart.
Selecting the GO button starts the animation of your prediction.
The PURPLE picket of the fence represents Marabyn's HOME.
The RED line represents the bus's traveled distance.
The BLUE line represents Marabyn's traveled distance.