BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Target Test Prep · GMAT

Choose how you want to prepare

Learn live with an expert or move at your own pace. Every option includes the complete TTP study system.

★★★★★5.0559 reviews
GMATLiveTeach Starts Oct 17
Chris Peckover, Target Test Prep GMAT expert
LIVE ONLINE CLASSES

Get Ready for GMAT Test Day Faster with Live Online Classes

with Chris Peckover, 100th-Percentile GMAT Scorer

Oct 17 · Chris Peckover
Sat · 11:00 AM to 2:00 PM ET
Oct 20 · Chris Peckover
Tue, Thu · 8:00 to 10:00 PM ET
Oct 25 · Josh Braslow
Sun · 1:00 to 4:00 PM ET
Included
40 hours of live online classes + 6 months of TTP OnDemand
  • Attend the first class for free
  • Every class is recorded, so you never fall behind
View classes & enroll
Limited seats availableTarget Test Prep
EALiveTeachOnDemand 5 seats left Start anytime
EXECUTIVE ASSESSMENT

Target Test Prep EA OnDemand

Self-paced EA prep. Study on your schedule.

Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

with Logan Thompson

165+ EA score guarantee
$05-day trial no automatic billing
Schedule
Sun · 9:30 AM to 12:30 PM ET
Included
40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
  • 165+ EA Score Guarantee
  • 4,100+ Quant, Verbal, and Integrated Reasoning practice questions
  • 400+ hours of in-depth video lessons
  • 3,000+ step-by-step video solutions
View EA class & enroll Start free 5-day trial
Limited cohort · enrollment openTrial includes full course accessTarget Test Prep
GMATOnDemand Start anytime
SELF-PACED MASTERCLASS

Target Test Prep GMAT OnDemand

Complete access from day one. Study on your schedule.

715+ score guarantee
$0to start then $127/mo
  • Personalized study plan and analytics
  • Thousands of lessons and practice questions

Compare the format, schedule, and included access before enrolling. Prices and seat counts shown reflect the supplied offer details.

proportion question type

Expert replies
by hutch27 » Sat May 11, 2013 1:33 pm
Each employee of company X works in exactly one of the departments G and H. Currently, there are 1,500 employees at company X and 60 percent of the employees at company X work in department G. If every employee currently at company X remains at company X and remains in the department they are in, then what is the number of new employees who must be hired to work in department G so that 85 percent of the employees working in company X work in department G?

1,275
1,700
2,500
3,750
4,000

oa is C

so this is a kaplan question but their explanation is horrendous. I got this one wrong but it was b/c of a careless error I still dont really understand.. thats why im posting it

this is what i did..

x/85= 600/15 <-- i just assumed since 600 is the constant part I can make that = to 15% and let x = the part for the remaning 85%

i got x=3400 and then i added 600 and picked E... obviously wrong. but i still dont know why i should subtract the 2. was it my method (ie is there an easier way)?
Join the discussion
Source: — Problem Solving |

by GMATGuruNY » Sat May 11, 2013 2:20 pm
hutch27 wrote:Each employee of company X works in exactly one of the departments G and H. Currently, there are 1,500 employees at company X and 60 percent of the employees at company X work in department G. If every employee currently at company X remains at company X and remains in the department they are in, then what is the number of new employees who must be hired to work in department G so that 85 percent of the employees working in company X work in department G?

1,275
1,700
2,500
3,750
4,000

oa is C
Work with the value that DOESN'T CHANGE: the number of employees in Department H.

Since 60% of the 1500 employees work in Department G, 40% work in Department H:
.4(1500) = 600.
After more employees are hired, the 600 employees in Department H must constitute 15% of the total number of employees:
600 = .15x
x = 600/.15 = 60000/15 = 4000.
Thus:
Number of employees hired = new total - old total = 4000-1500 = 2500.

The correct answer is C.
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.

As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.

For more information, please email me (Mitch Hunt) at [email protected].
Student Review #1
Student Review #2
Student Review #3
Join the discussion

by hutch27 » Sat May 11, 2013 2:31 pm
ah, got it. Forgot the question was asking about number of new employees hired..
Join the discussion