It is currently 22 Nov 2017, 17:25

### 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

# The area of a square garden is A square feet and the

Author Message
Manager
Joined: 23 Jan 2008
Posts: 108

Kudos [?]: 98 [0], given: 0

The area of a square garden is A square feet and the [#permalink]

### Show Tags

04 Feb 2008, 19:12
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

The area of a square garden is A square feet and the perimeter is P feet. If A=2P+9. what is the perimetre of the garden in feet ?

1. 28
2. 36
3. 56
4. 40
5. 64

Kudos [?]: 98 [0], given: 0

Director
Joined: 25 Dec 2007
Posts: 523

Kudos [?]: 64 [0], given: 28

Schools: Harvard '11
Re: area os aquare ? [#permalink]

### Show Tags

04 Feb 2008, 19:34
P = 4*side
A=side^2

So, A = (P/4)^2 = (P^2)/16 = 2P+9 --> P^2 = 32P + 144 --> P = 36 or P = -4

So, P = 36.

Kudos [?]: 64 [0], given: 28

SVP
Joined: 28 Dec 2005
Posts: 1543

Kudos [?]: 186 [0], given: 2

Re: area os aquare ? [#permalink]

### Show Tags

06 Feb 2008, 17:50
36

P=(A-9)/2. Let x be a side of the square. Subbing in, we have:

4x=(x^2-9)/2 --> x^2-8x-9=0 --> x=9

thefore A=81 and P =(81-2)/2 = 72/2=36

Kudos [?]: 186 [0], given: 2

Re: area os aquare ?   [#permalink] 06 Feb 2008, 17:50
Display posts from previous: Sort by

# The area of a square garden is A square feet and the

Moderator: chetan2u

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.