Taro walks around a certain pond with fixed speed and Jiro is running with fixed speed in the opposite direction of Taro.
20 minutes after passing each other first time, Taro and Jiro passed each other again.
Then when Taro began running with the increased speed by 150 m/m, they passed each other 10 minutes afterward again.
Answer the following questions.
(1) Find the surrounding distance of the pond.
(2) Moreover, if Taro runs with 1.5 times of the speed of having walked first after passing each other, they will pass each other again in 16 minutes and 40 seconds.
Find the speed per minute of Jiro.
20 minutes after passing each other first time, Taro and Jiro passed each other again.
Then when Taro began running with the increased speed by 150 m/m, they passed each other 10 minutes afterward again.
Answer the following questions.
(1) Find the surrounding distance of the pond.
(2) Moreover, if Taro runs with 1.5 times of the speed of having walked first after passing each other, they will pass each other again in 16 minutes and 40 seconds.
Find the speed per minute of Jiro.
Answer
(1) 3000 m
(2) 90 m/m
(2) 90 m/m
