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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, 08:08
2
3
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

59% (01:09) correct 41% (01:04) wrong based on 93 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, 09:43
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, 02:55
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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, 17:25
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Re: At the Gymnastics Club's annual car wash, it takes M minutes to wash C   [#permalink] 18 Oct 2018, 17:25
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