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

Question 1160562: 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 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): You can put this solution on YOUR website!
C is correct

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.

answer: C.

Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.

From your post, I do not see you checking your answers.

I only see your request to the tutors to make your job.

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