Solve the problem.One airplane is approaching an airport from the north at 206 km/hr. A second airplane approaches from the east at 157 km/hr. Find the rate at which the distance between the planes changes when the southbound plane is 27 km away from the airport and the westbound plane is 16 km from the airport.
A. 1208 km/hr
B. 1044 km/hr
C. 86 km/hr
D. 257 km/hr
Answer: D
Mathematics
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