a tabletop is shaped like a golden rectandle its lenth is 5 ft whats the able width

Answer 1

In the golden rectangle the ratio of
length : width = (1+√5) : 2 or appr 1.618

5/w = (1+√5)/2
w = 10/(1+√5) = appr 3.09

check:
5/3.09 = appr 1.6181.. good enough