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How fast was the train traveling 5/2 hours after the beginning of the

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How fast was the train traveling 5/2 hours after the beginning of the  [#permalink]

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26 Oct 2017, 23:23
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Difficulty:

5% (low)

Question Stats:

83% (00:45) correct 17% (00:56) wrong based on 163 sessions

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How fast was the train traveling 5/2 hours after the beginning of the timed period?

(A) 50 mph
(B) 55 mph
(C) 60 mph
(D) 65 mph
(E) 70 mph

Attachment:

2017-10-27_1121.png [ 23.29 KiB | Viewed 2302 times ]

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How fast was the train traveling 5/2 hours after the beginning of the  [#permalink]

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26 Oct 2017, 23:41

$$\frac{5}{2}$$ hours is 2.5 hours or 150 minutes.

After 150 minutes that the train started, the speed of the train was 65 mph(Option D)
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Re: How fast was the train traveling 5/2 hours after the beginning of the  [#permalink]

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30 Oct 2017, 13:10
Bunuel wrote:

How fast was the train traveling 5/2 hours after the beginning of the timed period?

(A) 50 mph
(B) 55 mph
(C) 60 mph
(D) 65 mph
(E) 70 mph

Attachment:
2017-10-27_1121.png

5/2 hours is 5/2 x 60 = 150 minutes. At that time, the train’s speed was 65 miles per hour.

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Re: How fast was the train traveling 5/2 hours after the beginning of the  [#permalink]

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13 Mar 2018, 08:01
Bunuel wrote:

How fast was the train traveling 5/2 hours after the beginning of the timed period?

(A) 50 mph
(B) 55 mph
(C) 60 mph
(D) 65 mph
(E) 70 mph

Attachment:
2017-10-27_1121.png

Actually, the question is a matter of converting time units from hours to minutes.
5/2 hours = (5/2)X60 = 150 minutes. By given data at the beginning of the 150th minute, train's speed was 65mph. So the answer is (D).
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Re: How fast was the train traveling 5/2 hours after the beginning of the  [#permalink]

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28 Mar 2018, 00:03
Bunuel wrote:

How fast was the train traveling 5/2 hours after the beginning of the timed period?

(A) 50 mph
(B) 55 mph
(C) 60 mph
(D) 65 mph
(E) 70 mph

Attachment:
2017-10-27_1121.png

Time = 5/2 * 60 = 150 minutes or 2*1/2 hrs

Speed = 65 miles

(D)
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Re: How fast was the train traveling 5/2 hours after the beginning of the &nbs [#permalink] 28 Mar 2018, 00:03
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