SOLUTION: Erica flys her plane 200 mi against the wind in the same time it takes her to fly 300 mi with the wind. If the wind blows at 30mph what is the speed of the plane in still air?
Algebra.Com
Question 439572: Erica flys her plane 200 mi against the wind in the same time it takes her to fly 300 mi with the wind. If the wind blows at 30mph what is the speed of the plane in still air?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
200/x-30=300/x+30
200x+6000=300x-9000
15000=100x
150=x
The speed of the plane in still air is 150mph.
RELATED QUESTIONS
Erica Suco can fly her plane 200 mi against the wind and in the same time it takes her to (answered by checkley77)
Lauren can fly her plane 180 miles against the wind in the same time it takes him to fly... (answered by Alan3354)
A plane can fly 180 mph in calm air. Flying with the wind, the plane can fly 600 mi in... (answered by lwsshak3)
A plane can fly 190 mph in calm air. Flying with the wind, the plane can fly 836 mi in... (answered by ewatrrr,Theo)
A six passenger plane cruises at 180mph in calm air. If the plane flys 7 miles with the... (answered by checkley77)
A jet plane flying with the wind went 1320 mi in 3 hours. Against the wind, the plane... (answered by Alan3354)
Fern can fly her plane 240 miles against the wind in the same time it takes her to fly... (answered by htmentor)
Mitch Levy flew his airplane 500 mi against the wind in the same time it took him to fly... (answered by jorel1380)
A plane flies 350 mi with the wind in the same time that it can fly 310 against the wind. (answered by mananth)