SOLUTION: C 9 7 3 + 6 B ________ A A 3 A, B, and C are digits in the correctly solved problem above. Which of the following is equal to A-B+C? a) 9 b) 10 c) 11 d) 12 e

Question 882838: C 9
7 3
+ 6 B
________
A A 3
A, B, and C are digits in the correctly solved problem above. Which of the following is equal to A-B+C?
a) 9
b) 10
c) 11
d) 12
e)13
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
Looking at the ones digits:

Since the ones digit of is ,
-->-->-->
When adding the tens digits, we have the ten from carried over.

So is the multiple of .
Since ,

The only multiple of between and is
.
So ---> and
--->---> .
Then, ---> .
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