You are the greatest of all time if u me two planes leave atlanta at 3pm est. one flies east and travels at a speed of 75 kilometers per hour slower than the other plane witch 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. 683km/h c. 720 km/h d . 1440 km/h

speed of plane flying east = x

speed of plane flying west = x+75

 total speed = 2x+75

distance after 4 hours ( 7-3) = 8x+300

8x+300 = 5460

8x = 5160

x = 5160/8 = 645

 speed of plane flying east = 645 km/h

step-by-step explanation:

since proposition states that a number is greater than 25, if is true then the number must actually be greater than 25.

this implies that all possible options, except 24, can be accepted