Question
Mr. Tan has some pens. If he ties them in bundles of 7, he will have 4 extra pens. If he ties them in bundles of 5, he would be short of 2 pens. What is the smallest possible number of pens Mr. Tan has?
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Mr. Tan has some pens. If he ties them in bundles of 7, he will have 4 extra pens. If he ties them in bundles of 5, he would be short of 2 pens. What is the smallest possible number of pens Mr. Tan has?