Some stickers are in a packet.
If Adam puts them into groups of 8, there are 7 stickers left.
If Adam puts them into groups of 4, there are 3 stickers left.
Find the smallest possible number of stickers in a packet.
Multiples of 8: 8, 16, 24
Multiples of 8 (+7): 15, 23, 31
Multiples of 4: 4, 8, 12, 16, 20, 24, 28
Multiples of 4 (+3): 7, 11, 15, 19, 23, 27, 31
Smallest possible number of stickers in a packet = 31
Answer(s): 31