If K and N are integers, is n divisible by 7
1. n-3 = 2k
2. 2k - 4 is divisble by 7
I put C.
if K is 9, 16, 23 etc.
I don't have an answer bank - just want to confirm.
If can answer s2 with s1, then answers will always be yes.
1. n-3 = 2k
2. 2k - 4 is divisble by 7
I put C.
if K is 9, 16, 23 etc.
I don't have an answer bank - just want to confirm.
If can answer s2 with s1, then answers will always be yes.
















