1. It would have took runner 2, 120 minutes to run 10km
2. Runner 2 would have made it first
3.runner 2 took a break because from 60-80 minutes their distance was at 6km the whole time meaning they didn’t move
3.runner 2 was faster from 80-120 minutes because runner 2 was running at a pace of 2km every 20 minutes while it took runner 1 40 minutes to even run 2km