Question 179733
D=RT
4800=R*5
R=4800/5
R=960 MPH TO EUROPE.
4800=R*6
R=4800/6
5=800 MPH FOR THE RETURN TRIP.
(960-800)/2=160/2=80 MPH IS THE SPEED OF THE WIND.
960-80=880 IS THE SPEED OF THE AIRPLANE IN STILL AIR.
800+80=880 DITTO.