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# If Jake loses 8 pounds, he will weigh twice as much as his

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Intern
Joined: 20 May 2008
Posts: 7

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If Jake loses 8 pounds, he will weigh twice as much as his [#permalink]

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30 May 2008, 09:56
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5% (low)

Question Stats:

94% (01:13) correct 6% (00:47) wrong based on 250 sessions

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If Jake loses 8 pounds, he will weigh twice as much as his sister. Together they now weigh 278 pounds. What is Jake’s present weight, in pounds?

(A) 131
(B) 135
(C) 139
(D) 147
(E) 188

OPEN DISCUSSION OF THIS QUESTION IS HERE: https://gmatclub.com/forum/if-jake-lose ... 43752.html
[Reveal] Spoiler: OA

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Manager
Joined: 28 May 2008
Posts: 93

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Re: If Jake loses 8 pounds, he will weigh twice as much as his [#permalink]

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30 May 2008, 10:08
2
KUDOS
sportypk wrote:
If Jake loses 8 pounds, he will weigh twice as much as his
sister. Together they now weigh 278 pounds. What is Jake’s
present weight, in pounds?
(A) 131
(B) 135
(C) 139
(D) 147
(E) 188

the OA is 188...could anyone explain how?

Heyyy
Lets say J is the weight of Jack and S is the wt of his sister.
If he loses 8 pounds, he s twice as heavy as his sister.
J-8=2*S
Also, together they weight 278 pounds
J+S=278

solvong the 2 equation ,we get J=188 pounds !

Cheers !

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Manager
Joined: 20 Mar 2008
Posts: 158

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Location: USA
Re: If Jake loses 8 pounds, he will weigh twice as much as his [#permalink]

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30 May 2008, 10:14
1
KUDOS
Consider Sister weight Now as x
Jakes weight (2times +8) = 2x+8

(2x+8)+(x) =278
x=90

Jake's weight is ....188

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Intern
Joined: 03 Jan 2013
Posts: 4

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Re: If Jake loses 8 pounds, he will weigh twice as much as his [#permalink]

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14 Jan 2013, 13:03
sportypk wrote:
If Jake loses 8 pounds, he will weigh twice as much as his
sister. Together they now weigh 278 pounds. What is Jake’s
present weight, in pounds?
(A) 131
(B) 135
(C) 139
(D) 147
(E) 188

the OA is 188...could anyone explain how?

My solution is:
(278-8)/3 = 90
90*2+8= 188

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Non-Human User
Joined: 09 Sep 2013
Posts: 15562

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Re: If Jake loses 8 pounds, he will weigh twice as much as his [#permalink]

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04 Jan 2015, 01:40
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Re: If Jake loses 8 pounds, he will weigh twice as much as his [#permalink]

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16 Jan 2016, 06:35
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
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Math Expert
Joined: 02 Sep 2009
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Re: If Jake loses 8 pounds, he will weigh twice as much as his [#permalink]

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12 Oct 2017, 23:30
sportypk wrote:
If Jake loses 8 pounds, he will weigh twice as much as his sister. Together they now weigh 278 pounds. What is Jake’s present weight, in pounds?

(A) 131
(B) 135
(C) 139
(D) 147
(E) 188

Let J be Jake's present weight and S be his sister's weight, then we can construct two linear equations:
J=2S+8;
J+S=278.

Subtract one from another: S=278-2S-8 --> S=90 --> J=188.

OPEN DISCUSSION OF THIS QUESTION IS HERE: https://gmatclub.com/forum/if-jake-lose ... 43752.html
_________________

Kudos [?]: 133004 [0], given: 12402

Re: If Jake loses 8 pounds, he will weigh twice as much as his   [#permalink] 12 Oct 2017, 23:30
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