BrentGMATPrepNow wrote:
Quote:
Mary passed a certain gas station on a highway while traveling west at a constant speed of 50 mph. Then, 15 minutes later, Paul passed the same gas station while traveling west at a constant speed of 60 mph. If both travelers maintained their speed and both remained on the highway for at least 2 hours, how long after he passed the gas station did Paul catch up with Mary?
A 35 mins
B 45 mins
C 1 hour
D 1 hour 15 mins
E 1 hour 30mins
A 35 mins
B 45 mins
C 1 hour
D 1 hour 15 mins
E 1 hour 30mins
Mary passes gas station and travels at 50 mph for
...