Some stickers are in a packet.
If Adam puts them into groups of 7, there are 4 stickers short.
If Adam puts them into groups of 4, there are 3 stickers short.
Find the smallest possible number of stickers in a packet.
Multiples of 7: 7, 14, 21
Multiples of 7 (-4): 3, 10, 17
Multiples of 4: 4, 8, 12, 16, 20
Multiples of 4 (-3): 1, 5, 9, 13, 17
Smallest possible number of stickers in a packet = 17
Answer(s): 17