There are 20 cars in my building's parking lot.  All of the cars are red or white.  Also, all the cars are either 2-door or 4-door.  12 of them are red, 15 of them are 4-door, and 4 of them are 2-door and white.  How many of the cars are 4-door and red?
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<|im_start|>user
There are 20 cars in my building's parking lot.  All of the cars are red or white.  Also, all the cars are either 2-door or 4-door.  12 of them are red, 15 of them are 4-door, and 4 of them are 2-door and white.  How many of the cars are 4-door and red?
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user
11
There are 20 cars in my building's parking lot.  All of the cars are red or white.  Also, all the cars are either 2-door or 4-door.  12 of them are red, 15 of them are 4-door, and 4 of them are 2-door and white.  How many of the cars are 4-door and red?
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