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The length of a picture is 10 cm and the width of the

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CEO
CEO
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Joined: 21 Jan 2007
Posts: 2769
Location: New York City
Followers: 8

Kudos [?]: 254 [0], given: 4

The length of a picture is 10 cm and the width of the [#permalink] New post 15 Nov 2007, 09:33
The length of a picture is 10 cm and the width of the picture is 6cm. The pictureis surrounded by a frame with a 2cm thick rectangular frame. what is the ratio of the area of the frame to that of the picture?

3/4
5/6
7/8
5/4
4/3
CEO
CEO
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Joined: 21 Jan 2007
Posts: 2769
Location: New York City
Followers: 8

Kudos [?]: 254 [0], given: 4

Re: frame [#permalink] New post 15 Nov 2007, 10:52
GMAT TIGER wrote:
bmwhype2 wrote:
The length of a picture is 10 cm and the width of the picture is 6cm. The pictureis surrounded by a frame with a 2cm thick rectangular frame. what is the ratio of the area of the frame to that of the picture?

3/4
5/6
7/8
5/4
4/3


= 80/60
=4/3


why 80?

i calculated the frame as (10+2)*(6+2)
12*8
96

the picture is 10*6 = 60

96-60=36

36/60
CEO
CEO
User avatar
Joined: 29 Aug 2007
Posts: 2500
Followers: 54

Kudos [?]: 512 [0], given: 19

Re: frame [#permalink] New post 15 Nov 2007, 12:11
bmwhype2 wrote:
GMAT TIGER wrote:
bmwhype2 wrote:
The length of a picture is 10 cm and the width of the picture is 6cm. The pictureis surrounded by a frame with a 2cm thick rectangular frame. what is the ratio of the area of the frame to that of the picture?

3/4
5/6
7/8
5/4
4/3


= 80/60
=4/3


why 80?

i calculated the frame as (10+2)*(6+2)
12*8
96

the picture is 10*6 = 60

96-60=36

36/60


frame's dimensions are 14 (10 + 2 + 2) and 10 (6 + 2 + 2). add 2 on each side at both end. drawing a picture is always useful

so area with frame = 14x10 = 140
area of picture = 10x6 = 60
so the area of only frame = 140 - 60 = 80
CEO
CEO
User avatar
Joined: 21 Jan 2007
Posts: 2769
Location: New York City
Followers: 8

Kudos [?]: 254 [0], given: 4

Re: frame [#permalink] New post 17 Nov 2007, 10:13
GMAT TIGER wrote:
bmwhype2 wrote:
GMAT TIGER wrote:
bmwhype2 wrote:
The length of a picture is 10 cm and the width of the picture is 6cm. The pictureis surrounded by a frame with a 2cm thick rectangular frame. what is the ratio of the area of the frame to that of the picture?

3/4
5/6
7/8
5/4
4/3


= 80/60
=4/3


why 80?

i calculated the frame as (10+2)*(6+2)
12*8
96

the picture is 10*6 = 60

96-60=36

36/60


frame's dimensions are 14 (10 + 2 + 2) and 10 (6 + 2 + 2). add 2 on each side at both end. drawing a picture is always useful

so area with frame = 14x10 = 140
area of picture = 10x6 = 60
so the area of only frame = 140 - 60 = 80


thanks. i realized my mistake was that i accounted for only half of the frame in my calculations.

it would be 10 + (2*2)= 14
and
6 + (2*2)=10

140 - 60 =80
Director
Director
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Joined: 01 May 2007
Posts: 795
Followers: 1

Kudos [?]: 79 [0], given: 0

 [#permalink] New post 17 Nov 2007, 10:57
Definitely E right? Should come down to 4/3
  [#permalink] 17 Nov 2007, 10:57
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