Question
If Valen gives each of his friends 7 foolscaps, he will have 39 left. If he gives each of them 9 foolscaps, he will have 9 foolscaps left. How many friends does Valen give foolscaps to?
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If Valen gives each of his friends 7 foolscaps, he will have 39 left. If he gives each of them 9 foolscaps, he will have 9 foolscaps left. How many friends does Valen give foolscaps to?