# MATH

posted by
**Sara!**
.

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.