The 1080 km trip from Madrid to Paris takes 2 h flying against the wind and 1.5 h flying with the wind. Find the speed of the plane in still air and the speed of the wind. Show equation(s) used to solve.

Question

aravindg · Answer

first of all can u find speeds when flying against the wind and flying with the wind ?

anonymous · Answer

rate against wind: 540 km per hour    rate with wind: 720 km per hour

anonymous · Answer

is that correct?

aravindg · Answer

yep

aravindg · Answer

Now take Arithmetic mean of these numbers to get speed in still air

anonymous · Answer

in still air: 630 km per hour

anonymous · Answer

how should i find the speed of the wind?

anonymous · Answer

Never mind, I got it. Speed of wind is 90kmph... correct?