Ask Question
4 October, 00:31

An aircraft flying at an average speed of 770 km/h takes 15 hours to complete a journey. Find the time taken for the aircraft to complete at same journey if it's average speed is 660 km/h

+2
Answers (2)
  1. 4 October, 02:30
    0
    Seventeen hours and fifteen minutes
  2. 4 October, 03:55
    0
    We can solve it two ways, we'll do it via physics:

    We know that:

    d=vt

    d=770km/h*15h

    d=11550km

    Now at 660km/h:

    t=d/v

    t=11550km/660km/h

    t=17,5h

    Math way:

    770km/h→15h

    660km/h→x

    So:

    (770*15) / 660=x

    x=17,5h
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “An aircraft flying at an average speed of 770 km/h takes 15 hours to complete a journey. Find the time taken for the aircraft to complete ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers