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If Teena is driving at 55 miles per hour and is currently 7.5 miles be
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20 Apr 2021, 01:29
20 Apr 2021, 01:29
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81% (01:32) correct
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If Teena is driving at 55 miles per hour and is currently 7.5 miles behind Joe, who is driving at 40 miles per hour in the same direction then in how many minutes will Teena be 15 miles ahead of Joe?
A. 15
B. 60
C. 75
D. 90
E. 105
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
A. 15
B. 60
C. 75
D. 90
E. 105
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: If Teena is driving at 55 miles per hour and is currently 7.5 miles be
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20 Apr 2021, 02:35
20 Apr 2021, 02:35
1
Teena's speed - 55 mph
Joe's speed - 40 mph
They are driving in same direction, hence the resultant speed will be 55 - 40 = 15mph
Now Teena is 7.5 miles behind and needs to go 15 miles ahead of Joe.
So total distance needs to be covered - 7.5 + 15 = \(22.5 miles\)
22.5 miles will be traveled with the speed of 15 mph
Time taken = \(\frac{Distance}{speed}\) = \(\frac{22.5}{15}\) = 1.5 hours = 90 mins
Answer D
Joe's speed - 40 mph
They are driving in same direction, hence the resultant speed will be 55 - 40 = 15mph
Now Teena is 7.5 miles behind and needs to go 15 miles ahead of Joe.
So total distance needs to be covered - 7.5 + 15 = \(22.5 miles\)
22.5 miles will be traveled with the speed of 15 mph
Time taken = \(\frac{Distance}{speed}\) = \(\frac{22.5}{15}\) = 1.5 hours = 90 mins
Answer D
gmatclubot
Re: If Teena is driving at 55 miles per hour and is currently 7.5 miles be [#permalink]
20 Apr 2021, 02:35
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