Some stickers are in a packet.
If Adam puts them into groups of 9, there are 8 stickers short.
If Adam puts them into groups of 7, there are 4 stickers short.
Find the smallest possible number of stickers in a packet.
Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81
Multiples of 9 (-8): 1, 10, 19, 28, 37, 46, 55, 64, 73
Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77
Multiples of 7 (-4): 3, 10, 17, 24, 31, 38, 45, 52, 59, 66, 73
Smallest possible number of stickers in a packet = 73
Answer(s): 73