Ask Question
12 April, 18:47

3) Two planes leave Atlanta at 3 pm EST. One flies east and travels at a speed of 75 kilometers per hour slower than the other plane with is flying west. By 7 pm EST, the planes are 5460 kilometers apart. What is the speed of the plane flying east? * A) 645 km/h B) 683 km/h C) 720 km/h D) 1440 km/h.

+1
Answers (2)
  1. 12 April, 18:48
    0
    East plane speed = x

    Flew for 4 hours = 4x

    West plane = (x+75)

    Flew for 4 hours = 4 (x+75) = 4x+300

    4x + 4x + 300 = 5460

    8x = 5160

    X = 5160 / 8 = 645

    East plane is flying at 645

    West plane is flying 645 + 75 = 720
  2. 12 April, 18:59
    0
    I could be wrong but i think its D) 1440
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “3) Two planes leave Atlanta at 3 pm EST. One flies east and travels at a speed of 75 kilometers per hour slower than the other plane with ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers