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sportypk
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If Jake loses 8 pounds, he will weigh twice as much as his 30 May 2008, 09:56
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

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Question Stats:

97% (01:41) correct 3% (02:39) wrong based on 342 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
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zeenie
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If Jake loses 8 pounds, he will weigh twice as much as his 30 May 2008, 10:08
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sportypk
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?
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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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vishy007
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If Jake loses 8 pounds, he will weigh twice as much as his 30 May 2008, 10:14
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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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Ayselka
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If Jake loses 8 pounds, he will weigh twice as much as his 14 Jan 2013, 13:03
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sportypk
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?
Show more

My solution is:
(278-8)/3 = 90
90*2+8= 188
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Bunuel
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Posts: 109,970
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If Jake loses 8 pounds, he will weigh twice as much as his 12 Oct 2017, 23:30
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sportypk
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
Show more

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.

Answer: E.

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