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    OlympiadEasyAlgebra7–9

    A cyclist rides up a hill at 3030 km/h and comes back down the same road at 6060 km/h. What is the average speed for the whole trip, in km/h?

    Um ciclista sobe uma encosta a 3030 km/h e desce a mesma estrada a 6060 km/h. Qual é a velocidade média de todo o percurso, em km/h?

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    Solution

    Step 1 of 3

    1. 1.Average speed is total distance over total time, not the average of the two speeds.