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# There are 4 more women than men on Centerville's board of

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Manager
Joined: 02 Dec 2012
Posts: 178

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There are 4 more women than men on Centerville's board of [#permalink]

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07 Dec 2012, 03:20
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Difficulty:

5% (low)

Question Stats:

84% (00:35) correct 16% (00:35) wrong based on 774 sessions

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There are 4 more women than men on Centerville's board of education. If there are 10 members on the board, how many are women?

(A) 3
(B) 4
(C) 6
(D) 7
(E) 8
[Reveal] Spoiler: OA

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Math Expert
Joined: 02 Sep 2009
Posts: 42247

Kudos [?]: 132677 [1], given: 12331

Re: There are 4 more women than men on Centerville's board of [#permalink]

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07 Dec 2012, 03:20
1
KUDOS
Expert's post
There are 4 more women than men on Centerville's board of education. If there are 10 members on the board, how many are women?

(A) 3
(B) 4
(C) 6
(D) 7
(E) 8

Given: M=W-4 so, W+(W-4)=10 --> W=7.

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Re: There are 4 more women than men on Centerville's board of [#permalink]

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26 Apr 2014, 16:50
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Manager
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Re: There are 4 more women than men on Centerville's board of [#permalink]

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11 Sep 2014, 06:23
There are 4 more women than men on Centerville's board of education. If there are 10 members on the board, how many are women?

(A) 3
(B) 4
(C) 6
(D) 7
(E) 8

m-men
w-women
w=m+4

total =10

10 = m+m+4

6=2m
m=3
w=7

Kudos [?]: 31 [0], given: 81

Intern
Joined: 15 Sep 2014
Posts: 2

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Re: There are 4 more women than men on Centerville's board of [#permalink]

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19 Sep 2014, 16:27
I didn't set up this equation correctly. How is the algebra reasoning for this question diff than Q 29? When do we know that we need to set up 2 diff equations representing 2 diff variables?

Thanks!

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Re: There are 4 more women than men on Centerville's board of   [#permalink] 19 Sep 2014, 16:27
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