Question 360184
D=RT
1,650=R*3 
R=1.650/3
R=550 MPH INTO THE WIND.
1,300=R*2
R=1,300/2
R=650 MPH WITH THE WIND.
(650-550)/2=100/2=50 MPH. IS THE RSTE OF THE WIND.
550+50=600 MPH. IS THE SPEED OF THE PLABVE IN STILL AIR.
650-50=600 DITTO.