SOLUTION: Is C correct? I'm checking my answers.
What is the check digit, d, for the UPC bar code number shown below? 0-24679-36163-d
A. 0
B. 2
C. 7
D. 9
The image an
Algebra ->
Sequences-and-series
-> SOLUTION: Is C correct? I'm checking my answers.
What is the check digit, d, for the UPC bar code number shown below? 0-24679-36163-d
A. 0
B. 2
C. 7
D. 9
The image an
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What is the check digit, d, for the UPC bar code number shown below? 0-24679-36163-d
A. 0
B. 2
C. 7
D. 9
The image and the question itself are provided in the link here: https://i.imgur.com/TLV9AE7.png Found 2 solutions by MathLover1, ikleyn:Answer by MathLover1(20850) (Show Source):
Check digit can be calculated by the following way:
step 1:
Add all the digits except the check digit that is the last digit on the right side.
step 2:
Add the digits at odd starting from left, double this amount and finally add it with the total from step 1.
=
=>
Doubling the sum
Adding it with the total from step 1, we get
Subtract the last digit of the total from step with , and this will be check digit.
