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 9, there are 5 stickers left.
Find the smallest possible number of stickers in a packet.
Multiples of 8: 8, 16
Multiples of 8 (+7): 15, 23
Multiples of 9: 9, 18
Multiples of 9 (+5): 14, 23
Smallest possible number of stickers in a packet = 23
Answer(s): 23