Greg and Brian are both at Point A (above). Starting at the same time, Greg drives to point B while Brian drives to

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Greg and Brian.jpg
Greg and Brian are both at Point A (above). Starting at the same time, Greg drives to point B while Brian drives to point C. Who arrives at his destination first?

(1) Greg's average speed is 2/3 that of Brian's.
(2) Brian's average speed is 20 miles per hour greater than Greg's.


OA A

Source: Manhattan Prep