A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 5 years ago
a plane traveled 285 miles to Perth and back. The trip there was with the wind. It took 3 hours. The trip back was into the wind. The trip back took 5 hours. What is the speed of the plane in still air? What is the speed of the wind?
anonymous
 5 years ago
a plane traveled 285 miles to Perth and back. The trip there was with the wind. It took 3 hours. The trip back was into the wind. The trip back took 5 hours. What is the speed of the plane in still air? What is the speed of the wind?

This Question is Closed

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0x = speed of the plane y = speed of the wind one way trip is 285/2 = 142.5 miles d = rt d = (x + y)3 (the wind helps you out so you add x and y) d = (x  y)5 (the wind hurts you so you subtract x and y) 142.5 = 3x + 3y 142.5 = 5x  5y Solve Multiply top by 5 and bottom by 3 so the y's cancel 5(142.5 = 3x + 3y) 3(142.5 = 5x  5y) do you know how to solve from here?
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.