Two trains, one 200 km/h fast and the other 150 km/h, start towards each other from 600 km apart. How long until they meet?
Two trains, one 200 km/h fast and the other 150 km/h, start…
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Two trains, one 200 km/h fast and the other 150 km/h, start towards each other from 600 km apart. How long until they meet?
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