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# How much money do Peter and Ed have together?

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Senior RC Moderator
Status: Preparing GMAT
Joined: 02 Nov 2016
Posts: 2613
Location: Pakistan
GPA: 3.39
How much money do Peter and Ed have together?  [#permalink]

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03 Sep 2017, 23:46
00:00

Difficulty:

25% (medium)

Question Stats:

90% (00:46) correct 10% (00:42) 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.

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

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11 Sep 2017, 01:57
1
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

Re: How much money do Peter and Ed have together?   [#permalink] 11 Sep 2017, 01:57
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