Question 969403
D=RT
1650=R*10
5-1650/10
R=165 MPH WITH THE WIND
1650=R*11
R=1650/11
R=150 AGAINST THE WIND
(165-150)/2=15/2
7.5 MPH IS THE WIND SPEED.
1650=(R+7.5)10
1650=10R+75
R=1650-75
10R=1575
R=1575/10
R=157.5 MPH FOR THR PLAN IN STILL AIR
PROOF:
1650=(157.5-7.5)11
1650=150*11
1650=1650