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Of the 480 cars on the lot at a dealership, 1/4 are hybrids. If 1/2 of

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Math Expert
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Joined: 02 Sep 2009
Posts: 56268
Of the 480 cars on the lot at a dealership, 1/4 are hybrids. If 1/2 of  [#permalink]

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New post 14 Feb 2018, 23:03
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

58% (00:54) correct 42% (00:50) wrong based on 69 sessions

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Re: Of the 480 cars on the lot at a dealership, 1/4 are hybrids. If 1/2 of  [#permalink]

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New post 15 Feb 2018, 06:53
Bunuel wrote:
Of the 480 cars on the lot at a dealership, 1/4 are hybrids. If 1/2 of the hybrids were to be sold, what fraction of the total number of cars on the lot would hybrids then represent?

A. 1/8

B. 1/7

C. 1/6

D. 1/5

E. 1/4



480 cars
1/4 hybrids = 120

1/2 hybrids sold = 60

Remaining unsold hybrids = 60
cars = 480-60 = 420

ratio = 60/420 = 6/42 = 1/7
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Re: Of the 480 cars on the lot at a dealership, 1/4 are hybrids. If 1/2 of  [#permalink]

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New post 20 Feb 2018, 17:11
Bunuel wrote:
Of the 480 cars on the lot at a dealership, 1/4 are hybrids. If 1/2 of the hybrids were to be sold, what fraction of the total number of cars on the lot would hybrids then represent?

A. 1/8

B. 1/7

C. 1/6

D. 1/5

E. 1/4


There are 480 x 1/4 = 120 hybrids. Since half are to be sold, 60 are to be sold. Thus, 60 hybrids and a total of 420 cars will remain.

Thus, hybrids will then represent 60/420 = 1/7 of the total number of cars in the dealership.

Answer: B
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Re: Of the 480 cars on the lot at a dealership, 1/4 are hybrids. If 1/2 of   [#permalink] 20 Feb 2018, 17:11
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