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
Start free 5-day trial
Read 559 reviewsTarget Test Prep

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

Andy and Brenda...!

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
User avatar
Junior | Next Rank: 30 Posts
Posts: 17
Joined: Sun Aug 07, 2011 5:54 am
by chaitanya.bhansali » Thu Aug 07, 2014 10:09 am
Andy and Brenda have a total sum of $1330. If 3/23 of Andy's amount is equal to 9/26 of
Brenda's amount, approximately what percent more money does Brenda need to have in order to have an amount equal to that of Andy?
A) 26.5 B) 38
C) 52 D) 126.5 E) 165
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Problem Solving |

GMAT/MBA Expert

User avatar
Elite Legendary Member
Posts: 10392
Joined: Sun Jun 23, 2013 6:38 pmFollowed by: 511 members
Location: Palo Alto, CA
Thanked: 2867 times
GMAT Score:800

by [email protected] » Thu Aug 07, 2014 10:25 am
Hi chaitanya.bhansali,

This question can be solved in a couple of different ways. You could set it up as a long-form "system" question (2 variables and 2 unique equations), but here's a way that requires considerably less "math":

Since we're told that 3/23 of A = 9/26 of B, it does NOT actually matter what A + B is. We have the relationship that we need to answer the given question. Here's why/how:

3A/23 = 9B/26

We can reduce this immediately (both numerators are divisible by 3):

A/23 = 3B/26

Now cross-multiply:

26A = 69B

To make the next steps as easy as possible, I'm going to TEST VALUES for A and B....

A = 69
B = 26

The question asks what approximate PERCENT MORE money would Brenda need to have the same amount as Andy....which is the PERCENTAGE CHANGE Formula....

(New - Old)/(Old) = (69 - 26)/26 = 43/26 = 1 17/26

1 17/26 is greater than 150%.....look at the answers....

Final Answer: E

GMAT assassins aren't born, they're made,
Rich
Contact Rich at [email protected]
Image
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
GMAT Instructor
Posts: 15539
Joined: Tue May 25, 2010 12:04 pmFollowed by: 1906 members
Location: New York, NY
Thanked: 13060 times
GMAT Score:790

by GMATGuruNY » Thu Aug 07, 2014 11:11 am
chaitanya.bhansali wrote:Andy and Brenda have a total sum of $1330. If 3/23 of Andy's amount is equal to 9/26 of
Brenda's amount, approximately what percent more money does Brenda need to have in order to have an amount equal to that of Andy?
A) 26.5 B) 38
C) 52 D) 126.5 E) 165
Since the question stem asks for a PERCENT, the total sum can be ANY VALUE.

Let B = $26.
Then 9/26 of B = (9/26)(26) = 9.

Since 9/26 of B is equal to 3/23 of A, we get:
9 = (3/23)A
(9*23)/3 = A.
A = $69.

We need to determine what percent must be added to B=26 to get A=69.
Since the question stem asks for the APPROXIMATE percentage, test easy cases.
If 100% added to B, we get:
26 + 100% of 26 = 26 + 26 = 52.
Too small.
If 150% is added to B, we get:
26 + 150% of 26 = 26 + 39 = 65.
Still too small.
The correct answer must be greater than 150.

The correct answer is E.
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
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Junior | Next Rank: 30 Posts
Posts: 23
Joined: Wed Jun 11, 2014 4:28 am
Thanked: 5 times

by shrivats » Thu Aug 07, 2014 8:31 pm
Here is a much easier method.
let the two amounts be A and B.

for the sake of calculations, 3/23 can be approximated to 1/8 and 9/26 can be approximated to 1/3.

A/8 = B/3

A = 8B/3
= B + 5B/3 (so B has to be increased by 5/3 to equal A )
5/3 = 1.67, in terms of % the increase would be around 167%..

Ans E, 165%
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1