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In the figure above, if x = 2y, then y = (A) 50 (B) 40 (C) [#permalink]
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Question Stats: 100% (00:20) correct 0% (00:00) wrong based on 5 sessions
Attachment: #greprepclub in the figure above .jpg [ 8.87 KiB | Viewed 116 times ]

In the figure above, if $$x = 2y$$, then $$y =$$

(A) 50

(B) 40

(C) 30

(D) 20

(E) 10

Kudos for the right answer and explanation
[Reveal] Spoiler: OA

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GRE Prep Club Members of the Month: Each member of the month will get three months free access of GRE Prep Club tests. GRE Instructor Joined: 10 Apr 2015
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Re: In the figure above, if x = 2y, then y = (A) 50 (B) 40 (C) [#permalink]
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Expert's post
Carcass wrote:
Attachment:
#greprepclub in the figure above .jpg

In the figure above, if $$x = 2y$$, then $$y =$$

(A) 50

(B) 40

(C) 30

(D) 20

(E) 10

Kudos for the right answer and explanation

Since angles on a line must add to 180°, we can write: $$30 + x + y = 180$$

Since we are told that, $$x = 2y$$, we can replace $$x$$ with $$2y$$ to get: $$30 + 2y + y = 180$$

Simplify: $$30 + 3y = 180$$

Subtract 30 from both sides: $$3y = 150$$

Solve: $$y = 50$$

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Brent Hanneson – Creator of greenlighttestprep.com  Re: In the figure above, if x = 2y, then y = (A) 50 (B) 40 (C)   [#permalink] 25 Mar 2020, 07:05
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# In the figure above, if x = 2y, then y = (A) 50 (B) 40 (C)  Question banks Downloads My Bookmarks Reviews Important topics Powered by phpBB © phpBB Group Kindly note that the GRE® test is a registered trademark of the Educational Testing Service®, and this site has neither been reviewed nor endorsed by ETS®.