UKMT Pink Kangaroo, 2019

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

The triathlon consists of swimming, cycling and running. The cycling accounts for three-quarters of the total distance, the running for one-fifth and the swimming for $2$ km. What is the total distance of this triathlon?

(A) $10$ km (B) $20$ km (C) $38$ km (D) $40$ km (E) $60$ km

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