234  Speed
1

Name : _________________

 

refresh

Two trains that are 1120 km apart are heading towards each other at 50 km/h and 90 km/h. How many hours will it be before they meet?



Two trains that are 1200 km apart are heading towards each other at 50 km/h and 100 km/h. How many hours will it be before they meet?



Two trains that are 640 km apart are heading towards each other at 90 km/h and 70 km/h. How many hours will it be before they meet?



Two trains that are 1530 km apart are heading towards each other at 90 km/h and 80 km/h. How many hours will it be before they meet?



Two trains that are 1280 km apart are heading towards each other at 100 km/h and 60 km/h. How many hours will it be before they meet?



Two trains that are 280 km apart are heading towards each other at 80 km/h and 60 km/h. How many hours will it be before they meet?



Two trains that are 360 km apart are heading towards each other at 90 km/h and 90 km/h. How many hours will it be before they meet?



Two trains that are 1200 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 1530 km apart are heading towards each other at 80 km/h and 90 km/h. How many hours will it be before they meet?



Two trains that are 760 km apart are heading towards each other at 100 km/h and 90 km/h. How many hours will it be before they meet?



+(         )

 

(         )+

++[[          ]]++

234    8 8 4 9 8 ( 37 )   2 2 8 9 4 ( 25 )   [[ 62 ]]