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James started from his home and drove eastwards at a constant speed. Exactly 90 minutes after James started from his hom

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James started from his home and drove eastwards at a constant speed. Exactly 90 minutes after James started from his hom

by VJesus12 » Sun Jan 03, 2021 10:28 am

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James started from his home and drove eastwards at a constant speed. Exactly 90 minutes after James started from his home, his brother Patrick started from the same point and drove in the same direction as James did at a different constant speed. Patrick overtook James exactly 90 minutes after Patrick started his journey and then continued driving at the same speed for another 2 hours. By what percentage should Patrick reduce his speed so that James could catch up with Patrick in exactly 8 hours after Patrick overtook James?

A. 25%
B. 33%
C. 50%
D. 67%
E. 75%

Answer: D

Source: e-GMAT
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