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## OG Joe and Sally

This topic has 4 expert replies and 0 member replies
AbeNeedsAnswers Master | Next Rank: 500 Posts
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#### OG Joe and Sally

Wed Jul 19, 2017 10:19 pm

00:00

A

B

C

D

E

# Global Stats

Difficult

Last year Joe grew 1 inch and Sally grew 200 percent more than Joe grew. How many inches did Sally grow last year?

A) 0
B) 1
C) 2
D) 3
E) 4

D

### GMAT/MBA Expert

Jay@ManhattanReview GMAT Instructor
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Wed Jul 19, 2017 10:28 pm
Last year Joe grew 1 inch and Sally grew 200 percent more than Joe grew. How many inches did Sally grow last year?

A) 0
B) 1
C) 2
D) 3
E) 4

D
So, you have a problem with the interpretation of "Sally grew 200% more than Joe grew."

It means that Sally grew 200% more than 1 inch.

Thus, Sally's growth = Original + More

Original = 1
More = 200% of Original = 200% of 1 =

Sally's growth = 1 + 200% of 1 = 1 + (200/100)*1 = 1 + 2*1 = 3.

Hope this helps!

-Jay
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### GMAT/MBA Expert

Rich.C@EMPOWERgmat.com Elite Legendary Member
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Thu Jul 20, 2017 11:57 am

Sometimes Test Takers get confused by questions that use the phrase 'percent greater' or 'percent less', so it can be helpful to come up with simple examples to confirm that "your answer" is the correct one.

We're told that Joe grew 1 inch and that Sally grew 200% MORE than Joe did. We're asked for the number of inches that Sally grew.

IF.... Sally grew the same as Joe did, then she would have grown 1 inch
IF.... Sally grew 100% more than Joe did, then she would have grown 1+1 = 2 inches
IF.... Sally grew 200% more than Joe did, then she would have grown 1+2 = 3 inches

GMAT assassins aren't born, they're made,
Rich

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### GMAT/MBA Expert

Matt@VeritasPrep GMAT Instructor
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Sun Jul 23, 2017 3:27 pm
Joe and Sally? I feel like I've walked into a time warp, come on OG!

Enroll in a Veritas Prep GMAT class completely for FREE. Wondering if a GMAT course is right for you? Attend the first class session of an actual GMAT course, either in-person or live online, and see for yourself why so many students choose to work with Veritas Prep. Find a class now!

### GMAT/MBA Expert

Jeff@TargetTestPrep GMAT Instructor
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Tue Jul 25, 2017 11:00 am
Last year Joe grew 1 inch and Sally grew 200 percent more than Joe grew. How many inches did Sally grow last year?

A) 0
B) 1
C) 2
D) 3
E) 4
If Joe grew 1 inch and Sally grew 200 percent more than Joe, she grows 300 percent as much as Joe. Thus, she grew 1 x 3 = 3 inches.

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