It is currently 07 Dec 2019, 17:17
My Tests

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Greg's weekly salary is 187, which is 15 percent less than K

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Founder
Founder
User avatar
Joined: 18 Apr 2015
Posts: 8961
Followers: 178

Kudos [?]: 2116 [0], given: 8305

CAT Tests
Greg's weekly salary is 187, which is 15 percent less than K [#permalink] New post 03 Dec 2019, 02:19
Expert's post
00:00

Question Stats:

50% (00:00) correct 50% (00:51) wrong based on 2 sessions
Greg's weekly salary is 187, which is 15 percent less than Karla's weekly salary. If Karla's weekly salary increases by 10 percent, by what percent must Greg's weekly salary increase in order to equal Karla's new weekly salary?

Give your answer to the nearest tenth of a percent.


[Reveal] Spoiler: OA
\(29.4\)



Kudos for the right answer and explanation
_________________

Need Practice? 20 Free GRE Quant Tests available for free with 20 Kudos
GRE Prep Club Members of the Month: Each member of the month will get three months free access of GRE Prep Club tests.

1 KUDOS received
GRE Instructor
User avatar
Joined: 10 Apr 2015
Posts: 2608
Followers: 95

Kudos [?]: 2812 [1] , given: 45

CAT Tests
Re: Greg's weekly salary is 187, which is 15 percent less than K [#permalink] New post 05 Dec 2019, 08:00
1
This post received
KUDOS
Expert's post
Carcass wrote:
Greg's weekly salary is 187, which is 15 percent less than Karla's weekly salary. If Karla's weekly salary increases by 10 percent, by what percent must Greg's weekly salary increase in order to equal Karla's new weekly salary?

Give your answer to the nearest tenth of a percent.


[Reveal] Spoiler: OA
\(29.4\)



Kudos for the right answer and explanation


Greg's weekly salary is 187, which is 15 percent less than Karla's weekly salary.
Let K = Karla's weekly salary
If Greg's salary is 15% less than Karla's salary, we can also say that Greg's salary is 85% of Karla's salary
So, we can write: 187 = 85% of K
In other words, 187 = 0.85K
Solve: K = 187/0.85 = 220

So, Karla's weekly salary is 220

If Karla's weekly salary increases by 10 percent, by what percent must Greg's weekly salary increase in order to equal Karla's new weekly salary?
10% of 220 = 22, so Karla's new salary = 220 + 22 = 242

In order for Greg and Karla to have the same salary, Greg's salary must increase from 187 to 242
Percent increase = (100)(new - old)/old
= (100)(242 - 187)/187
= (100)(55)/187
= 29.4117...

Rounded to the nearest tenth of a percent, we get 29.4

Answer: 29.4

Cheers,
Brent
_________________

Brent Hanneson – Creator of greenlighttestprep.com
Sign up for my free GRE Question of the Day emails

Intern
Intern
Joined: 06 Dec 2019
Posts: 30
Followers: 0

Kudos [?]: 1 [0], given: 0

CAT Tests
Re: Greg's weekly salary is 187, which is 15 percent less than K [#permalink] New post 07 Dec 2019, 10:34
Karla -> 1.1 amount
Greg -> 0.85 amount
1.1/0.85 around 1.294 --> 29.4% increase
Re: Greg's weekly salary is 187, which is 15 percent less than K   [#permalink] 07 Dec 2019, 10:34
Display posts from previous: Sort by

Greg's weekly salary is 187, which is 15 percent less than K

  Question banks Downloads My Bookmarks Reviews Important topics  


GRE Prep Club Forum Home| About| Terms and Conditions and Privacy Policy| GRE Prep Club Rules| Contact

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®.