gracie wrote:
hi FB2017,
I put 3 in the first position and counted 6 possible arrangements for 4,6,7.
hence, 4*6
I hope this helps
gracie
Dear Gracie,
I understand why you time 6
but I don't understand why you time 4?
Thank you very much
hi FB2017,
I put 3 in the first position and counted 6 possible arrangements for 4,6,7.
hence, 4*6
I hope this helps
gracie
Dear Gracie,
I understand why you time 6
but I don't understand why you time 4?
Thank you very much
