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Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's

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Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's  [#permalink]

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New post 17 Mar 2017, 03:08
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A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

72% (01:15) correct 28% (00:30) wrong based on 68 sessions

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Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's pace. If Evita's pace is twice as fast as Pablo's then how many feet does Pablo walk in an hour?

A. 129,600
B. 64,800
C. 32,400
D. 3,600
E. 540

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Re: Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's  [#permalink]

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New post 17 Mar 2017, 12:27
1
Rate at which Frieda walks = 6 feet per second, a pace which is 1/3 as fast as Evita's pace

Evita's pace = 3 * 6 feet per second = 18 feet per second

Evita's pace is twice as fast as Pablo's, Pablo's pace = 18/2 feet per second = 9 feet per second

Pablo walks 9*60*60 feet per hour = 32400 feet per hour

Answer is C. 32,400
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Re: Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's  [#permalink]

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New post 17 Mar 2017, 13:02
Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's pace. If Evita's pace is twice as fast as Pablo's then how many feet does Pablo walk in an hour?

Frieda - 6 ft per second
Evita - 18 ft per second
Pabalo - 9 ft per second

Pabalo - 9 x 60 x 60 = 32,400 which is answer C
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Re: Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's  [#permalink]

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New post 18 Mar 2017, 22:28
E's speed = 18 feet/sec = 2 * P's speed => P's speed = 9 feet/sec
P:
1 sec = 9 feet
1 hr = 3600 sec = 9 *3600 feet = 32400 feets
C
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Re: Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's  [#permalink]

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New post 20 Mar 2017, 04:42
Bunuel wrote:
Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's pace. If Evita's pace is twice as fast as Pablo's then how many feet does Pablo walk in an hour?

A. 129,600
B. 64,800
C. 32,400
D. 3,600
E. 540

freida pace is 6 fps
evita pace is 6*3 fps = 18 fps
Pablo pace is 18/2 = 9 fps = 9*60*60 = 32400 feet per hour
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Re: Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's  [#permalink]

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New post 22 Mar 2017, 09:41
1
Bunuel wrote:
Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's pace. If Evita's pace is twice as fast as Pablo's then how many feet does Pablo walk in an hour?

A. 129,600
B. 64,800
C. 32,400
D. 3,600
E. 540


The rate of Frieda is 6 feet per second, and that rate is 1/3 as fast as Evita’s rate. Thus,

1/3(Evita’s rate) = 6

Evita’s rate = 18 feet per second

Since Evita’s rate is twice as fast as Pablo’s rate, Pablo’s rate is 18/2 = 9 feet per second.

Thus, Pablo can walk 9 x 3,600 = 32,400 feet in an hour.

(Note: 1 hour = 3,600 seconds)

Answer: C
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Re: Frieda walks 6 feet per second, a pace which is 1/3 as fast as Evita's &nbs [#permalink] 22 Mar 2017, 09:41
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