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On his trip to the airport, Grant drove a total of 9 miles.
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18 Dec 2017, 12:39
18 Dec 2017, 12:39
Expert Reply
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Question Stats:
61% (02:11) correct
38% (02:20) wrong based on 34 sessions
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On his trip to the airport, Grant drove a total of 9 miles. His average speed on the trip was x miles per hour, where 30 ≤ x ≤35. Which of the following could be the total number of minutes that Grant took to make the trip?
Indicate \(all\) such numbers of minutes.
A. 15
B. 16
C. 17
D. 18
E. 19
Indicate \(all\) such numbers of minutes.
A. 15
B. 16
C. 17
D. 18
E. 19
Re: On his trip to the airport, Grant drove a total of 9 miles.
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20 Dec 2017, 02:33
20 Dec 2017, 02:33
1
Carcass wrote:
On his trip to the airport, Grant drove a total of 9 miles. His average speed on the trip was x miles per hour, where 30 ≤ x ≤35. Which of the following could be the total number of minutes that Grant took to make the trip?
Indicate \(all\) such numbers of minutes.
A. 15
B. 16
C. 17
D. 18
E. 19
Indicate \(all\) such numbers of minutes.
A. 15
B. 16
C. 17
D. 18
E. 19
Show: :: OA
B,C,D
Here for speed =30 miles/hr and distance = 9miles
Then time in minutes = 9/30 * 60 =18 minutes
for speed =35 miles/hr and distance = 9miles
Then time in minutes = 9/35 * 60 =15.4 minutes
Therefore time will be in the range from = 15.4 ≤ Time in minutes ≤ 18
Hence Option are B,C,D
gmatclubot
Re: On his trip to the airport, Grant drove a total of 9 miles. [#permalink]
20 Dec 2017, 02:33
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