at a maximum speed an airplane travels 2100 miles against the wind in 6 hours. Flying with the wind, the plane travel the same d

Question

Juliette [100K]

3 years ago

13

at a maximum speed an airplane travels 2100 miles against the wind in 6 hours. Flying with the wind, the plane travel the same d

istance in 4 hours. what is the speed of the plane with no wind?

Mathematics

1 answer:

Dafna11 [192] · Answer 1 · 2022-03-20T00:59:08+03:00

Dafna11 [192]3 years ago

7 0

Let x be the maximum speed of the plane and y be the speed of the wind

***Note: D = r*t or r = D/t***

x +y = 525mph |2100mi/4hr = 525mph

x -y = 350mph |2100mi/6hr = 350mph

2x = 875

x = 437.5mph, speed of plane. Wind speed is 87.5