There is a formula for this Time for Katarina = (Dominick's Time * Total Time) / (Dominick's Time - Total Time) Time for Katarina = (8 * 5) / (8 -5) Time for Katarina = 40 / 3 Katarina's Time = 13.3333 hours
15, if you plot the points, then seperate the x and y into two seperate lines, you can create a 3,4,5 triangle to find the distance between the points.