Counting from both sides. Level 3. Three little pigs Blacky, Whitey and Browny bought train tickets to be seated in the same car. Each car accommodates three passengers. The ittle pigs arrived last, when all the rest of the seats were already taken. Blacky jumped into the first car and walked through the train to his seat. He saw 27 passengers on the way. WVhitey and Browny jumped in the last car and saw 18 passengers on the way to their seats. How many train cars are be there?
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Counting from both sides. Level 3. Three little pigs Blacky, Whitey and Browny bought train tickets to be seated in the same car. Each car accommodates three passengers. The ittle pigs arrived last, when all the rest of the seats were already taken. Blacky jumped into the first car and walked through the train to his seat. He saw 27 passengers on the way. WVhitey and Browny jumped in the last car and saw 18 passengers on the way to their seats. How many train cars are be there?
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