Mr. Kok has some files. If he ties them in bundles of 5, he will have 2 extra files. If he ties them in bundles of 9, he would be short of 4 files. What is the smallest possible number of files Mr. Kok has?
Multiples of 5: 5, 10, 15, 20, 25, 30
Multiples of 5 (+2): 7, 12, 17, 22, 27, 32
Multiples of 9: 9, 18, 27, 36
Multiples of 9 (-4): 5, 14, 23, 32
Smallest possible number of files that Mr. Kok has = 32
Answer(s): 32
