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Two trains that are 1170 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 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 680 km apart are heading towards each other at 70 km/h and 100 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 1050 km apart are heading towards each other at 70 km/h and 80 km/h. How many hours will it be before they meet?



Two trains that are 1020 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 980 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 280 km apart are heading towards each other at 70 km/h and 70 km/h. How many hours will it be before they meet?



Two trains that are 780 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 650 km apart are heading towards each other at 70 km/h and 60 km/h. How many hours will it be before they meet?



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