if a plane can travel 500 miles per hour with the wind and 420 miles per hour against the wind find the speed of the plane without a wind and the speed of wind.
the speed of the plane in still air is____miles per hour
the speed of the wind is ___miles per hour

Question

if a plane can travel 500 miles per hour with the wind and 420 miles per hour against the wind find the speed of the plane without a wind and the speed of wind.
the speed of the plane in still air is____miles per hour
the speed of the wind is ___miles per hour

dumbcow · Answer

s+w = 500
s -w = 420
----------
2s = 920

s = 460
thus
w = 40

anonymous · Answer

@dumbcow 460 is the speed of the plane in still air
40 is the speed of the wind per hr??

anonymous · Answer

@texaschic101

dumbcow · Answer

oh im sorry...s is for speed of plane
w for wind

i thought it was clear

anonymous · Answer

@dumbcow thnks 4 ya help