Question

Kyra has a rock collection when she puts her rocks into 2 equal piles there are no rocks left over when she puts her rocks into 3 equal piles there is none left over when she puts her rocks in 4 equal piles there is still none left over how many rocks could kyra have?

Answer 1

Kyra has 12 rocks in her rock collection.

Answer 2

She has 12

12/6= 2 piles
12/4= 3 piles
12/3= 4 piles