It is currently 11 Dec 2018, 07:20

### GMAT 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

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# If y = 4x

Author Message
TAGS:
Moderator
Joined: 18 Apr 2015
Posts: 5130
Followers: 77

Kudos [?]: 1029 [0], given: 4636

If y = 4x [#permalink]  23 Mar 2018, 03:52
Expert's post
00:00

Question Stats:

50% (00:20) correct 50% (00:11) wrong based on 4 sessions
If $$y = 4x$$ and $$z = \frac{1}{2} y$$, the in terms of x, $$y + z =$$

A. 4.5x

B. 6x

C. 7x

D. 9x

E. 11x
[Reveal] Spoiler: OA

_________________
Manager
Joined: 27 Sep 2017
Posts: 112
Followers: 1

Kudos [?]: 29 [1] , given: 4

Re: If y = 4x [#permalink]  25 Mar 2018, 22:35
1
KUDOS
Carcass wrote:
If $$y = 4x$$ and $$z = \frac{1}{2} y$$, the in terms of x, $$y + z =$$

A. 4.5x

B. 6x

C. 7x

D. 9x

E. 11x

Can you check the ans of the question, I thought the ans should be B not C?

y= 4x

$$z = \frac{1}{2} y$$ which means z= 2x

Then, in terms of x, y+z= 6x

UNLESS, you have a typo. And, you want to ask x+y+z which is 7x.

So please check it out, thanks.
Moderator
Joined: 18 Apr 2015
Posts: 5130
Followers: 77

Kudos [?]: 1029 [0], given: 4636

Re: If y = 4x [#permalink]  26 Mar 2018, 12:39
Expert's post
No, you are right.

The answer is 6x, so indeed B.

Regards
_________________
Re: If y = 4x   [#permalink] 26 Mar 2018, 12:39
Display posts from previous: Sort by