math
posted by Sam .
At 3 pm a plane left the airport for LA traveling at 600 mph. At 3:30, another plane left the same airport on the same route traveling 650 mph. What time did the 2nd plane overtake the first.
A. 5:15 pm
B. 6:45 pm
C. 6:50 pm
D: 7:15 pm
E: 9:30 pm
Is D correct?
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