781  Speed
1

Name : _________________

 

refresh

Two trains that are 1350 km apart are heading towards each other at 90 km/h and 60 km/h. How many hours will it be before they meet?



Two trains that are 1120 km apart are heading towards each other at 80 km/h and 80 km/h. How many hours will it be before they meet?



Two trains that are 1050 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 960 km apart are heading towards each other at 60 km/h and 60 km/h. How many hours will it be before they meet?



Two trains that are 560 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 1350 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 1170 km apart are heading towards each other at 60 km/h and 70 km/h. How many hours will it be before they meet?



Two trains that are 1280 km apart are heading towards each other at 80 km/h and 80 km/h. How many hours will it be before they meet?



Two trains that are 800 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 960 km apart are heading towards each other at 50 km/h and 70 km/h. How many hours will it be before they meet?



+(         )

 

(         )+

++[[          ]]++

781    9 7 7 8 4 ( 35 )   9 9 8 5 8 ( 39 )   [[ 74 ]]