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If 20 percent of the members in club A are members of club B

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Joined: 08 Aug 2005
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If 20 percent of the members in club A are members of club B [#permalink]  24 Nov 2005, 01:07
If 20 percent of the members in club A are members of club B also, which club has more members?
1). 30 percent of the members of B are members of A also.
2). A has 600 members.
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Joined: 14 Sep 2005
Posts: 998
Location: South Korea
Followers: 2

Kudos [?]: 27 [0], given: 0

If 20 percent of the members in club A are members of club B also, which club has more members?

1). 30 percent of the members of B are members of A also.
2). A has 600 members.

X = number of members in club A
Y = number of members in club B

1)

0.2X = 0.3Y
X = 3/2Y
X > Y
Sufficient

2)
X = 600
Insufficient

Thus, (A).
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