Paolo wrote the following equation for the perimeter of a rectangle.
\[
P=2(i+w)
\]
Which equation is equivalent to the equation Paolo wrote?
$w=P-2 i$
$w=P-i$
$w=\frac{P-2 l}{2}$
$w=\frac{P+2 l}{2}$

Answer

Expert–verified

Hide Steps

Answer

Isolate w: $w = \frac{P - 2i}{2}$

Steps

Step 1 ：Given the equation for the perimeter of a rectangle: $P = 2(i + w)$

Step 2 ：Isolate w: $w = \frac{P - 2i}{2}$