Answer: A don't get confused by b
Step-by-step explanation:
20+2N=52
now subtract 20 from each side, to get 2N alone
2N=32
now divide each side by 2
N=16
Answer:
3
Step-by-step explanation:
Common factors : what make up a number (they will be all prime)
6 - 2, 3
9 - 3,3
the common factor is three (its what they have in common)
Add them all up, and divide by 10 so 29+38+39+26+29+29+39+77+38+29 which is 33.5
