What is the answer to this infamous "Common Core" question? The following question (number 15 of this test) has become infamous as a poor "Common Core" question. What is the correct answer?

Juanita wants to give bags of stickers to her friends. She wants to
  give the same number of stickers to each friend. She's not sure if she
  needs 4 bags or 6 bags of stickers. How many stickers could she buy so
  there are no stickers left over?


This is a simple LCM problem. $\quad LCM(4,6)=12 \quad$ so any multiple of 12 will do.
