Taro and Jiro participated in the triathlon carrying out 1.5 km of swimming, 40 km of bicycle, and 10 km of running in order.
(1) The time of swimming of Taro was 20 minutes and 50 seconds.
Find the speed per minute of swimming of Taro.
The speed ratio of swimming and pedaling a bicycle of Taro was 3 : 20.
Find the time of the bicycle of Taro.
(2) It was 5 minutes and 20 seconds later than Taro for Jiro to start running.
Since the speed of running of Jiro was quicker than Taro by 32 m/m, Jiro caught up with Taro 34 minutes and 40 seconds after Jiro started running.
Find the ratio of the speed per minute of running of Taro and Jiro.
Find the speed per minute of running of Jiro.
Find the distance from the point where Jiro caught up with the Taro to the goal.
(3) Find the sum total time of three events of Jiro.
(1) The time of swimming of Taro was 20 minutes and 50 seconds.
Find the speed per minute of swimming of Taro.
The speed ratio of swimming and pedaling a bicycle of Taro was 3 : 20.
Find the time of the bicycle of Taro.
(2) It was 5 minutes and 20 seconds later than Taro for Jiro to start running.
Since the speed of running of Jiro was quicker than Taro by 32 m/m, Jiro caught up with Taro 34 minutes and 40 seconds after Jiro started running.
Find the ratio of the speed per minute of running of Taro and Jiro.
Find the speed per minute of running of Jiro.
Find the distance from the point where Jiro caught up with the Taro to the goal.
(3) Find the sum total time of three events of Jiro.
Answer
(1) 72 m/m
one hour and 23 minutes and 20 seconds
(2) 13 : 15
240 m/m
1680 m
(3) Two hours and 31 minutes and 10 seconds
one hour and 23 minutes and 20 seconds
(2) 13 : 15
240 m/m
1680 m
(3) Two hours and 31 minutes and 10 seconds
