Taro and Jiro leave P point at the same time and walk between P and Q point 90 m away from P.
Taro goes back and forth between PQ at 120 m/m.
Jiro walks at 15 m/m and every time after he meets Taro, he changes direction and walks.
(1) Find the distance from P point where Taro and Jiro met the 2nd time.
(2) Find the number of times that two persons meet in 12 minutes after leaving.
Taro goes back and forth between PQ at 120 m/m.
Jiro walks at 15 m/m and every time after he meets Taro, he changes direction and walks.
(1) Find the distance from P point where Taro and Jiro met the 2nd time.
(2) Find the number of times that two persons meet in 12 minutes after leaving.
Answer
(1) 140/9 m
(2) 15 times
(2) 15 times
