Question
If Mark gives each of his pupils 7 folders, he will have 22 left. If he gives each of them 12 folders, he will have 7 folders left. How many pupils does Mark give folders to?
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If Mark gives each of his pupils 7 folders, he will have 22 left. If he gives each of them 12 folders, he will have 7 folders left. How many pupils does Mark give folders to?