Some stickers are in a packet.
If Adam puts them into groups of 9, there are 2 stickers short.
If Adam puts them into groups of 5, there are 4 stickers left.
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 (-2): 7, 16, 25, 34, 43, 52, 61, 70, 79
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75
Multiples of 5 (+4): 9, 14, 19, 24, 29, 34, 39, 44, 49, 54, 59, 64, 69, 74, 79
Smallest possible number of stickers in a packet = 79
Answer(s): 79