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I am the owner of a pet store. If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?
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A
3 cages and 4 canaries
💡 Explanation:
Let x be canaries and y be cages. x = y + 1 and x = 2(y - 1). Substituting: y + 1 = 2y - 2, so y = 3. Then x = 4. Thus, 3 cages and 4 canaries satisfy both conditions perfectly.