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1,200 tons of goods need to be moved from one city to another each day. The cities are 50 miles apart. Assuming that it takes

1,200 tons of goods need to be moved from one city to another each day. The cities are 50 miles apart. Assuming that it takes no time to load and unload the trains, how many trains would be needed if one train carries 50 tons and moves at 50 mph and trains ran 24 hours per day?

trains.

How about if one train carries 50 tons but now moves at 100mph?

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