If you multiply me by five and add twenty, you get the same result as doubling me and adding fifty. What number am I?
Category: Math · Difficulty: hard
Hint: Set up an equation from the operations and find the number.
Answer
Ten matches the riddle
Explanation
5x + 20 = 2x + 50; solving gives x = 10.
This is a hard math riddle — a tricky one that takes a little thought. The answer is Ten matches the riddle.
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