I have a collection of cards, then:
- If I put them in stacks of 2, I have 1 left
- If I put them in stacks of 3, I have 1 left
- If I put them in stacks of 4, I have 1 left
- If I put them in stacks of 7, I have 0 left
So how many cards do I have??
I have a collection of cards, then:
So how many cards do I have??