A packet contains 20 to 70 stickers.
The stickers can be shared equally among either 4 children or 9 children.
What is the smallest possible number of stickers in the packet?
Multiples of 4: 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68
Multiples of 9: 27, 36, 45, 54, 63
Possible number(s) of stickers in the packet: 36
Answer(s): 36