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At the Gymnastics Club's annual car wash, it takes M minutes to wash C

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At the Gymnastics Club's annual car wash, it takes M minutes to wash C  [#permalink]

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New post 15 Aug 2015, 07:08
2
2
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

57% (01:08) correct 43% (01:05) wrong based on 87 sessions

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At the Gymnastics Club's annual car wash, it takes M minutes to wash C cars. At this rate, in terms of M, how many hours will it take the club to wash 5C cars?

A. M/3
B. M/5
C. M/12
D. 3M
E. 5M
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Re: At the Gymnastics Club's annual car wash, it takes M minutes to wash C  [#permalink]

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New post 15 Aug 2015, 08:43
Mascarfi wrote:
At the Gymnastics Club's annual car wash, it takes M minutes to wash C cars. At this rate, in terms of M, how many hours will it take the club to wash 5C cars?

A. M/3
B. M/5
C. M/12
D. 3M
E. 5M


Assume M = 5 minutes and C = 10 cars.

Thus, 5c cars = 50 cars in 5*5 = 25 mins.

Thus in hours = 25/60 = 5/12 .

Option C with M = 5 is the correct answer.
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Re: At the Gymnastics Club's annual car wash, it takes M minutes to wash C  [#permalink]

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New post 16 Aug 2015, 01:55
1
Mascarfi wrote:
At the Gymnastics Club's annual car wash, it takes M minutes to wash C cars. At this rate, in terms of M, how many hours will it take the club to wash 5C cars?

A. M/3
B. M/5
C. M/12
D. 3M
E. 5M

C cars ------------- M min
5C cars ------------- 5M min = 5M/60 hrs = M/12 hrs

Answer C
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Re: At the Gymnastics Club's annual car wash, it takes M minutes to wash C  [#permalink]

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New post 18 Oct 2018, 16:25
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Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: At the Gymnastics Club's annual car wash, it takes M minutes to wash C   [#permalink] 18 Oct 2018, 16:25
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At the Gymnastics Club's annual car wash, it takes M minutes to wash C

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