A television screen is 40 cm high and 60 cm wide. The picture is compressed to 62.5 % of its original area, leaving a uniform dark strip around the outside. What are the dimensions of the reduced picture?

Results 1 to 3 of 3

- Sep 22nd 2008, 05:13 PM #1

- Joined
- Sep 2008
- Posts
- 27

- Sep 23rd 2008, 08:21 AM #2

- Joined
- Jul 2006
- Posts
- 73

- Sep 23rd 2008, 10:29 AM #3

- Joined
- May 2006
- From
- Lexington, MA (USA)
- Posts
- 12,028
- Thanks
- 848

Hello, Andrew!

A television screen is 40 cm high and 60 cm wide.

The picture is compressed to 62.5 % of its original area,

leaving a uniform dark strip around the outside.

What are the dimensions of the reduced picture?Code:: - - - 60 - - - - : - *-------------------* - : | | x : | *-----------* | - : | | | | : 40 | | | | 40-2x : | | | | : : | *-----------* | - : | | x - *-------------------* - : x : 60-2x : x :

The area of the picture is: . cm².

The area of the picture is the area of the screen:

. .

Factor: .

The dark strip is 5 cm wide.

Therefore, the dimensions of the picture are: .

*You're absolutely correct, Lucky!*