Stmt 1 : INSUFF because values of a and b cannot be determined
Stmt 2 : INSUFF - same as above
From the 2 statements,
2b+6 = 3b
==> b = 6
and a=18. GCD is 6.
gmatrant wrote:If a and b are positive integers divisible by 6, is 6 the greatest common divisor of a and b?
I. a = 2b+6
II.a =3b

















