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Beth is taking the train to see her boyfriend on Valentine's day! The train is 100 meters long and it takes 30 seconds to cross a 400m bridge. What speed is the train going at?

Fact Lab

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Interesting fact:

After Christmas Valentine’s Day is the most popular day for giving cards. Around 190 million cards are sent every year for February 14th! And around 73 percent of Valentine’s flower sales are purchased by men.