contestada

2 planes fly in opposite directions. One travels 475 mi/h and the other 525 mi/h . How long will it take before they are 6,000 mi apart

Respuesta :

The speed at which they are moving apart = 475 + 525 = 1000 mi/h

Time  = distance / speed
         = 6000 / 1000  = 6 hours

The answer is 6 hours.