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A valid UPC number
2012-12-22
From Jacob:
A valid UPC number , ABABABABAB- C must end in a 2 after using the rule:
3A +B+3A+B+3A+B+3A+B+3A+B+C=##2.
What would term C need to be in order to make the following UPC valid? 2741825293-C
Answered by Harley Weston.
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