Ask a New Question

Question

an airplane flew with the wind for 30 minutes and returned the same distance in 45 minutes. If the cruising speed of the airplane was 320 mph what was the speed of the wind ?
15 years ago

Answers

Reiny
speed with wind = 320+x
speed against wind = 320-x

distance with wind = .5(320+x)
distance against = .75(320-x)

but those distances were the same, so ...
.5(320+x) = .75(320-x)

multiply each side by 4 to clear the decimals and solve
15 years ago

Related Questions

An airplane flew a distance of 650 km at an average speed of 300km/h. How much time did the flight t... An airplane flew for 6 hours with a 22km/hour tailwind. The return flight against the same wind take... Flying with wind, a plane flew 800 miles in 5 hrs. Flying against the wind, the plane flew the same... An airplane flew 1000km in 4h. What was the airplanes speed? An airplane flew 1500 miles in 2.5 hours. How many kilometers is this per hour An airplane flew 300 miles at a bearing of N65°E from airport A to airport B. The plane then flew at... Q. Sidney flew in an airplane five times during her vacation. The flights overaged 2 hours 28 minute... If a small airplane flew 490 miles to San Antonio, Texas and the flight took 2 hours and 48 minutes,... an airplane flew from a city x on a bearing 225 to another city y a distance 200 km away.It then fle... A paper airplane flew right onto the back of Miss Kay as she was writing on the whiteboard. The susp...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use