Posted by **Anonymous** on Monday, February 9, 2009 at 4:45pm.

Alan built an additional room onto his house. the length of the room is 3 times the width. the perimeter of he room is 60 feet. What is the length of the room?

a 7.5 feet

b 22.5 feet

- math -
**Anonymous**, Monday, February 9, 2009 at 4:47pm
sorry the all options are:

a 7.5 feet

b 22.5 feet

c 15 feet

d 45 feet....

plz explain how to do also. plz . thanks

- math -
**bobpursley**, Monday, February 9, 2009 at 4:47pm
Perimeter is 2L + 2W

L=3W

Perimeter=6W+2W

I assume you can take if from here.

- math -
**Anonymous**, Monday, February 9, 2009 at 4:51pm
sorry but i dont get it. can u help? :(

- math -
**bobpursley**, Monday, February 9, 2009 at 5:05pm
solve for Width in that last equation, then multiply it by 3 to get the length.

## Answer This Question

## Related Questions

- algebra - the floor plan of a room has a scale of 2.5 in.:32ft. in the drawing,...
- Alebgra - The lenth of a room is 3 more thean twice the width of the room. The ...
- math - marcus and joannie are having a new family room added on. The length of ...
- math - A rectangular room is 5 meters longer than it is wide, and its perimeter ...
- math - A rectangular room is 5 meters longer than it is wide, and its perimeter ...
- Math help please - Gabriella wants to tile a room with an area of 320 square ...
- math - A carpenter is adding a sun room to the back of a house. If the width of ...
- Common core standard. math - Consuelos living room is in the shape of a ...
- Math - For a math homework assignment, Karla found the area and perimeter of a ...
- math - the lenght of a rectangular room is 6 feet longer than twice the width. ...

More Related Questions