Posted by **Sara!** on Wednesday, May 19, 2010 at 4:58pm.

how do i write these in equations to represent each situation?

1. the perimeter P of a rectangle is the sum of twice the length L and twice the width W

2. the volume V of a rectangular prism is the product of its three dimensions: length L,width W, and height H

3. The cost C of a telegram of 18 words is the cost F of the first 10 words plus the cost A of each additional word.

- math -
**Sara!**, Wednesday, May 19, 2010 at 7:10pm
how do i write these in equations to represent each situation?

1. the perimeter P of a rectangle is the sum of twice the length L and twice the width W

2. the volume V of a rectangular prism is the product of its three dimensions: length L,width W, and height H

3. The cost C of a telegram of 18 words is the cost F of the first 10 words plus the cost A of each additional word.

- math -
**MathMate**, Wednesday, May 19, 2010 at 9:30pm
P=2(L+W)

Try the rest, and post the answer for a check if you wish.

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