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UKMT Junior Mathematical Challenge, 2022

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

Half of a quarter of an eighth of a number is equal to 12+14+18\dfrac{1}{2} + \dfrac{1}{4} + \dfrac{1}{8}. What is the number?

(A) 1414 (B) 2828 (C) 4242 (D) 5656 (E) 6464

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