366,790 views
24 votes
24 votes
State the base of correct addition of 27 + 6 =34​

User Raghu Chahar
by
3.5k points

1 Answer

17 votes
17 votes

Answer:

9

Step-by-step explanation:

lets do calculations with ONLY the rightmost digits, ie., 7 + 6 = 4, so we're ignoring the carry.

Then, following must be true as well:

7+5 = 3

7+4 = 2

7+3 = 1

7+2 = 0 <= this reveals our base 9

7+1 = 8

7+0 = 7

User Machavity
by
2.8k points