Three numbers add up to 30. The first is twice the second, and the third is half of the first. What are the numbers?
Category: Math · Difficulty: expert
Hint: Set up equations based on the relationships between the numbers.
Answer
12, 6, 12
Explanation
Let the second number be x. Then the first is 2x and the third is x, leading to 2x + x + x = 30, where x = 6.
This is a expert math riddle — one of the harder riddles here. The answer is 12, 6, 12.
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