There is A town on the top of the mountain and B town at the foot of the mountain.
Hanako left A town and Taro left B town at the same time and they went back and forth one time without taking rest between A and B.
They met first at intermediate C point.
Hanako and Taro go up and down the mountain with the same speed.
Hanako left A town and Taro left B town at the same time and they went back and forth one time without taking rest between A and B.
They met first at intermediate C point.
And they met again at D point where is 560 m from C point 74 minutes afterward.
Hanako and Taro go up and down the mountain with the same speed.
The ratio of the speed of going up and down is 5 : 7.
(1) Find the distance of A town and B town.
(2) Find the speed per minute of going up the mountain.
(1) Find the distance of A town and B town.
(2) Find the speed per minute of going up the mountain.
Answer
(1) 3360 m
(2) 40 m/m
(2) 40 m/m
