Taro and Jiro are going back and forth between A point and B point with a fixed speed respectively by the bicycle.
They turn up immediately at A point and B point without taking a rest.
Taro started from A point and Jiro started from B point at the same time.
They passed at the point of 7 km from A first.
They move forward and they passed 2nd time at the point of 6 km from B.
Answer the following questions.
(1) In case Taro is faster than Jiro, find the speed ratio of Taro and Jiro.
(2) In case Jiro is faster than Taro, find the speed ratio of Taro and Jiro.
Noted that if there are some answers to this question, answer all cases.