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# x + k =8

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Moderator
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x + k =8 [#permalink]  06 Jul 2018, 08:54
Expert's post
00:00

Question Stats:

84% (00:28) correct 15% (00:19) wrong based on 13 sessions
$$x + k = 8$$

$$x - k = 4$$

 Quantity A Quantity B x k

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

_________________
Director
Joined: 20 Apr 2016
Posts: 824
WE: Engineering (Energy and Utilities)
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Kudos [?]: 601 [1] , given: 121

Re: x + k =8 [#permalink]  07 Jul 2018, 03:54
1
KUDOS
Carcass wrote:
$$x + k = 8$$

$$x - k = 4$$

 Quantity A Quantity B x k

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

Let's add both the equation we get,

x + k = 8
x - k = 4
+---------------
2x = 12

or x =6

and k = 2

Therefore QTY A > QTY B
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Intern
Joined: 15 May 2018
Posts: 38
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Kudos [?]: 5 [0], given: 1

Re: x + k =8 [#permalink]  09 Jul 2018, 18:40
Carcass wrote:
$$x + k = 8$$

$$x - k = 4$$

 Quantity A Quantity B x k

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

Re: x + k =8   [#permalink] 09 Jul 2018, 18:40
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