The area of a rectangle is 25. The lenght is 1/2 of the width. Please help me solve for length and width.

L = 0.5W

W = 2L

A = L*W = 25
L * 2L = 25
3L = 25
L = 25/3 = 8.333 Sq. units.
W = 2L = 2 * 8.333 = 16.666 Sq. units.

P = 2W + 2L