Home » GMAT » How much time will it take Naomi to travel two round trips to the beauty parlor?
Naomi drives to the beauty parlor in 60 minutes. On the way back, her average speed is half the average speed as it was to the way to the parlor. How much time will it take Naomi to travel two round trips to the beauty parlor?
A. 3 hours.
B. 4 hours.
C. 4 hours and 20 minutes.
D. 5 hours and 50 minutes.
E. 6 hours.
Correct Answer: E
Explanation/Reference:
Explanation:
If the average speed from the beauty parlor is half of the average speed to the parlor then the time back from the parlor is twice the time it takes her to get to the parlor, thus 120 minutes. The total round trip will take Naomi (60 + 120 = 180) minutes, which is 3 hours.
Two round trips will take her 6 hours.
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