Mr. Tan has some pens. If he ties them in bundles of 5, he will have 2 extra pens. If he ties them in bundles of 6, he would be short of 3 pens. What is the smallest possible number of pens Mr. Tan has?
Multiples of 5: 5, 10, 15, 20, 25
Multiples of 5 (+2): 7, 12, 17, 22, 27
Multiples of 6: 6, 12, 18, 24, 30
Multiples of 6 (-3): 3, 9, 15, 21, 27
Smallest possible number of pens that Mr. Tan has = 27
Answer(s): 27
