Name: SAT Math Help & School Math Mastery
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#37017

equations

algebra

medium

45 sec

The perimeter $P$ of a rectangle can be calculated using the formula $P = 2 L + 2 W$ , where $L$ is the length and $W$ is the width. Which of the following equations correctly expresses the width $W$ in terms of the perimeter $P$ and the length $L$ ?

A.

$W = P - 2 L$

B.

$W = \frac{P - 2 L}{2}$

C.

$W = \frac{P}{2} - 2 L$

D.

$W = \frac{P}{2 L}$