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Pam and Sue drove in the same car to a business meeting that

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by AAPL » Wed Oct 10, 2018 5:04 am

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Princeton Review

Pam and Sue drove in the same car to a business meeting that was 120 miles away. Pam drove to the meeting at 60 miles per hour and Sue drove back, along the same route, at 50 miles per hour. How many more minutes did it take Sue to travel the distance than it took Pam?

A. 4
B. 10
C. 20
D. 24
E. 30

OA D
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by Brent@GMATPrepNow » Wed Oct 10, 2018 9:00 am
AAPL wrote: Pam and Sue drove in the same car to a business meeting that was 120 miles away. Pam drove to the meeting at 60 miles per hour and Sue drove back, along the same route, at 50 miles per hour. How many more minutes did it take Sue to travel the distance than it took Pam?

A. 4
B. 10
C. 20
D. 24
E. 30
Travel time = distance/speed
Pam's travel time = 120 miles/60 mph =2 hours
Sue's travel time = 120 miles/50 mph =2.4 hours

Time difference = 2.4 hours - 2 hours = 0.4 hours
To convert 0.4 hours to minutes, recognize that 1 hour = 60 minutes
So, 0.4 hours = (0.4)(60) minutes
= 24 minutes

Answer: D

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Brent
Brent Hanneson - Creator of GMATPrepNow.com
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by Scott@TargetTestPrep » Sat Oct 13, 2018 5:16 pm
AAPL wrote:Princeton Review

Pam and Sue drove in the same car to a business meeting that was 120 miles away. Pam drove to the meeting at 60 miles per hour and Sue drove back, along the same route, at 50 miles per hour. How many more minutes did it take Sue to travel the distance than it took Pam?

A. 4
B. 10
C. 20
D. 24
E. 30
It took Pam 120/60 = 2 hours to drive to the meeting

It took Sue 120/50 = 12/5 = 2 2/5 hours = 2 hours and 24 minutes to drive back from the meeting.

So it took Sue 24 more minutes to travel the distance than it took Pam.

Answer: D

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