Posted by **Odessa** on Thursday, October 16, 2008 at 2:42pm.

The perimeter of a recatangle is twice the sum of its length and its width. The perimeter is 16 meters and its length is 2 meters more than twice its width.What is the length?

- Math -
**Damon**, Thursday, October 16, 2008 at 2:48pm
w = width

(2+2w) = length

perimeter = 2[w+(2+2w)] =16

w+2+2w = 8

3 w = 6 etc

- Math -
**drwls**, Thursday, October 16, 2008 at 2:50pm
16 = 2L + 2W)

L = 2W + 2.

Solve the two equations for L and W.

By substitution, you can see that

16 = 2L + L - 2 = L - 2

- Math -
**Odessa**, Thursday, October 16, 2008 at 2:58pm
The ratio of men to women in a certain factory is 3:4. There are 210 men. How many workers are there?

- Math -
**drwls**, Thursday, October 16, 2008 at 4:48pm
M/W = 3/4

M = 210

W = 280

M + W = ?

The number of women is 280, but the total number of workers is something else.

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