Two airplanes departed from different airports at 5:30 AM, both traveling nonstop to London Heathrow Airport (LHR). The distances the planes traveled are recorded in the table. The Washington, D.C. (DCA) flight flew through moderate cloud cover and as a result only averaged 338 mph. The flight from Miami (MIA) had good weather conditions for the first two-thirds of the trip and averaged 596 mph, but then encountered some turbulence and only averaged 447 mph for the last part of the trip. Which plane arrived first and how long was it at the London airport before the other plane arrived?
A. MIA; 2 hours, 40 minutes
B. MIA; 3 hours, 30 minutes
C. DCA; 1 hour, 20 minutes
D. DCA; 3 hours, 40 minutes
Answer:A
Two airplanes departed from different airports at 5:30 AM, both traveling nonstop to London Heathrow Airport (LHR). The distances the planes traveled are recorded in the table. The Washington, D.C. (DCA) flight flew through moderate cloud cover and as a result only averaged 338 mph. The flight from Miami (MIA) had good weather conditions for the first two-thirds of the trip and averaged 596 mph, but then encountered some turbulence and only averaged 447 mph for the last part of the trip. Which plane arrived first and how long was it at the London airport before the other plane arrived?
A. MIA; 2 hours, 40 minutes B. MIA; 3 hours, 30 minutes C. DCA; 1 hour, 20 minutes D. DCA; 3 hours, 40 minutes
Explanation: A