GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
In the figure above, lines l and k are parallel. If y - x = 30, what
[#permalink]
22 Dec 2022, 10:11
22 Dec 2022, 10:11
Expert Reply
00:00
Question Stats:
67% (01:05) correct
32% (01:09) wrong based on 28 sessions
Hide Show timer Statistics
Attachment:
GRE In the figure above, lines.jpg [ 16.27 KiB | Viewed 1186 times ]
In the figure above, lines \(\ell\) and \(k\) are parallel. If y - x = 30, what is z?
(A) 60
(B) 75
(C) 90
(D) 105
(E ) 120
Re: In the figure above, lines l and k are parallel. If y - x = 30, what
[#permalink]
04 Jan 2023, 03:31
04 Jan 2023, 03:31
Expert Reply
OE
Because / and k are parallel, the horizonal line creates a transversal. As a result, y = z. In addition, x + y = 180, because x and y are supplementary angles. The question stem tells you that y - x = 30. If you add these two equations together, you get 2y = 210, or y = 105. Therefore, z = 105.
Because / and k are parallel, the horizonal line creates a transversal. As a result, y = z. In addition, x + y = 180, because x and y are supplementary angles. The question stem tells you that y - x = 30. If you add these two equations together, you get 2y = 210, or y = 105. Therefore, z = 105.
gmatclubot
Re: In the figure above, lines l and k are parallel. If y - x = 30, what [#permalink]
04 Jan 2023, 03:31
Moderators:
