PLEASE THIS IS DUE AT MIDNIGHT LOL:
2 answers:
Answer:
Step-by-step explanation:
Let the speed of the plane be s
<u>The speed of the plane in the same direction is</u>
<u>The speed of the plane against wind is</u>
<u>Time = distance/speed</u>
455/(s + 12) = 400/(s - 12) <u>Solving for s</u>
400(s + 12) = 455(s - 12) 400s + 400*12 = 455s - 455*12 455s - 400s = (400 + 455)*12 55s = 10260 s = 10260/55 s = 186.55 mph
if a plane flies 455 miles with wind, and takes 400 against the wind, and the wind is blowing at a speed of 12mph, then the plane can fly 2455 miles if it's still in the air
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