A foot is equal to 12 inches. Therefore, a 6 feet sub is equal to 6 x 12 = <<6*12=72>>72 inches.
If the 6 feet sub is cut up 16 times, each piece would be 72 / 16 = <<72/16=4.5>>4.5 inches.
6 feet sub sandwich cut up 16 times how many inches is each piece
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