The common ratio is -1/2
-96 * -1/2 = 48
48 * -1/2 = -24
-24 * -1/2 = 12
12 * -1/2 = 6
Formula
2*(L + W) = L * W
Given
W = 3
Solution
2*(L + 3) = 3*L
2L+ 6 = 3L Subtract 2L from both sides
2L - 2L + 6 = 3L - 2L combine
6 = L
Answer: The length is 6 units long.
