Çözüldü Average Speed

Konusu 'TOEFL - IELTS - SAT - ACT - GRE - GMAT Hazırlık' forumundadır ve Honore tarafından 27 Ocak 2025 başlatılmıştır.

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  1. Honore

    Honore Yönetici Yönetici

    Mesajlar:
    10.005
    Beğenileri:
    657
    Cinsiyet:
    Bay
    Meslek:
    Müh. (Elk./Bilg.)
    From MathCON 2024 Competition Grade 12 questions:

    It took Isla three hours and fifteen minutes to hike the 6.5 miles from her camp to the peak. It took her one-third of the time to make the return trip. How fast did Isla hike to the top and back to the camp, on average?

    A) 2.75 mph
    B) 2.8 mph
    C) 3 mph
    D) 3.15 mph
    E) 3.5 mph


    (6.5 + 6.5) / [ (3 + 15 / 60) + (1 / 3)(3 + 15 / 60) ] =
    2·6.5 / [ 3.25·(1 + 1 / 3) ] =
    2·2 / (4 / 3) =
    3 miles per hour.

    https://4.files.edl.io/c5f3/05/20/24/174621-dc16a84f-8da1-43d1-bbb0-493bdac47c14.pdf (The last question)
    Answer Key: https://4.files.edl.io/7568/05/20/24/174812-e1f6c8d1-d879-4155-8053-e3757da08790.pdf
    MathCON Official Website: https://www.mathcon.org/apps/pages/2024FinalQuestions

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