It is currently 24 Jun 2017, 16:02

### 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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# Tom and Mary bought some books and magazines. The price for

Author Message
Current Student
Joined: 11 May 2008
Posts: 556
Tom and Mary bought some books and magazines. The price for [#permalink]

### Show Tags

31 Jul 2008, 10:53
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Tom and Mary bought some books and magazines. The price for each book is x dollars and the price for each magazine is y dollars. If Tom spent a total of $50 and Mary spent a total of$100, x=?
(1) They bought a total of 10 books.
(2) The price of for the magazine is $5. A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient. B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient. C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient. D. Each Statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient. Senior Manager Joined: 23 May 2006 Posts: 324 Re: tom and mary [#permalink] ### Show Tags 31 Jul 2008, 11:15 [quote="arjtryarjtry"]Tom and Mary bought some books and magazines. The price for each book is x dollars and the price for each magazine is y dollars. If Tom spent a total of$50 and Mary spent a total of $100, x=? (1) They bought a total of 10 books. (2) The price of for the magazine is$5.

Let the number of books purchased = a and the magazines purchased = b
Hence you can write the equations ------- ax +by = 50 + 100 = 150

S1. Tells you that a = 10
S2. y = 5

Now we have three equations but four unknowns

IMO E
SVP
Joined: 07 Nov 2007
Posts: 1799
Location: New York

### Show Tags

31 Jul 2008, 11:56
x97agarwal wrote:
arjtryarjtry wrote:
Tom and Mary bought some books and magazines. The price for each book is x dollars and the price for each magazine is y dollars. If Tom spent a total of $50 and Mary spent a total of$100, x=?
(1) They bought a total of 10 books.
(2) The price of for the magazine is $5. Let the number of books purchased = a and the magazines purchased = b Hence you can write the equations ------- ax +by = 50 + 100 = 150 S1. Tells you that a = 10 S2. y = 5 Now we have three equations but four unknowns IMO E Quote: S1. Tells you that a = 10 agreed small correction a+b = 10 _________________ Your attitude determines your altitude Smiling wins more friends than frowning VP Joined: 17 Jun 2008 Posts: 1381 Re: tom and mary [#permalink] ### Show Tags 03 Aug 2008, 06:52 arjtryarjtry wrote: Tom and Mary bought some books and magazines. The price for each book is x dollars and the price for each magazine is y dollars. If Tom spent a total of$50 and Mary spent a total of $100, x=? (1) They bought a total of 10 books. (2) The price of for the magazine is$5.
A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient.
B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient.
C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient.
D. Each Statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

too many variables and too less equation => not solvable
IMO E
_________________

cheers
Its Now Or Never

Manager
Joined: 23 Apr 2008
Posts: 86

### Show Tags

03 Aug 2008, 07:14
IMO E

WE ATLEAST NEED INFO ABT THE TOTAL NO. OF MAG OR BOOKS BOUGHT
Re: tom and mary   [#permalink] 03 Aug 2008, 07:14
Display posts from previous: Sort by