Question 949953
An aircraft 200 kilometers away is flying toward an air base at 350 kilometers per hour.
 How long will it take a plane flying from the base at 450 kilometers per hour to intercept the first aircraft?
:
Let t = time to intercept
When this occurs the total travel dist of the two aircraft will equal 200 km
dist = speed * time
350t + 450t = 200
800t = 200
t = 200/800
t = .25 hrs which is 15 min