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How much money do Peter and Ed have together?

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VP
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Status: Preparing for the GMAT
Joined: 02 Nov 2016
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Location: Pakistan
GPA: 3.4
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How much money do Peter and Ed have together? [#permalink]

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New post 03 Sep 2017, 22:46
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

84% (00:33) correct 16% (00:28) wrong based on 32 sessions

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How much money do Peter and Ed have together?

(1) Ed has twice as much money as Peter.
(2) Peter has $2 less than Ed has.
[Reveal] Spoiler: OA

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Re: How much money do Peter and Ed have together? [#permalink]

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New post 11 Sep 2017, 00:57
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How much money do Peter and Ed have together?
P+E =?

(1) Ed has twice as much money as Peter.
E =2P
so P+E = P+2P =3P
Not sufficient as we don't know P or E

(2) Peter has $2 less than Ed has.
P=E-2
P+E = E-2+E = 2E-2
Not sufficient as we don't know P or E

1+2
E=2P and P=E-2
P=E-2 => P= 2P-2 => P=2 ie E=4
so P+E= 2+4 = 6

Answer: C
Re: How much money do Peter and Ed have together?   [#permalink] 11 Sep 2017, 00:57
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How much money do Peter and Ed have together?

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