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UKMT Junior Mathematical Challenge, 2016

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

One lap of a standard running track is 400 m. How many laps does each athlete run in a 5000 m race?

(A) $4$ (B) $5$ (C) $8$ (D) $10$ (E) $12\frac{1}{2}$

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