D.23 Three persons' 100m race in pairs

Three persons, Taro, Jiro, and Hanako raced in pairs at a time.

Firstly when Taro and Jiro raced 100 m running and Taro goaled, Jiro was at 10 m to the goal.

Next, when Jiro and Hanako raced 100 m running and Jiro goaled, Hanako was at 10 m to the goal.

Finally, when Taro and Hanko raced, the start point of Taro was set 20 m back from the starting point or the distance for Taro was 120 m and 100 m for Hanako.

Who goaled earlier? 

Moreover, find the distance to the goal for another then.









Answer
Taro
2.8 m