293  Speed
 2

Name : _________________

  

refresh

Two trains that are 400 km apart are heading towards each other at 50 km/h and 50 km/h. How many hours will it be before they meet?



Two trains that are 260 km apart are heading towards each other at 80 km/h and 50 km/h. How many hours will it be before they meet?



Two trains that are 660 km apart are heading towards each other at 50 km/h and 60 km/h. How many hours will it be before they meet?



Two trains that are 440 km apart are heading towards each other at 50 km/h and 60 km/h. How many hours will it be before they meet?



Two trains that are 1140 km apart are heading towards each other at 90 km/h and 100 km/h. How many hours will it be before they meet?

Two trains that are 750 km apart are heading towards each other at 100 km/h and 50 km/h. How many hours will it be before they meet?



Two trains that are 650 km apart are heading towards each other at 50 km/h and 80 km/h. How many hours will it be before they meet?



1440 km 떨어진 양쪽 두 도시에서 각각 두대의 기차가 서로를 향해 90 km/h 와 90 km/h의 속도로 달려 오고있다. 두대의 기차가 서로 만나는데 몇시간이 걸리는가?



Two trains that are 840 km apart are heading towards each other at 90 km/h and 50 km/h. How many hours will it be before they meet?



Two trains that are 900 km apart are heading towards each other at 50 km/h and 50 km/h. How many hours will it be before they meet?

+(         )

 

(         )+

++[[          ]]++
293    4 2 6 4 6 ( 22 )   5 5 8 6 9 ( 33 )   [[ 55 ]]