the perimeter of a rectangle is given by the formula p=2w+21, where w is the width and l is the length. Rearrange the formula for the length (l)

a. 1=p-1/2w
b. 1=2p-2w
c. 1=1/2p-w
d. 1=1/2w-p

a. 1=p-1/2w