Answer:
See below ~
Step-by-step explanation:
Table 1
⇒ Side length : Perimeter = 1 : 4
⇒ Perimeter : Side length = 4 : 1
Table 2
⇒ Radius : Diameter = 1 : 2
⇒ Diameter : Radius = 2 : 1
Table 3
⇒ Number of people : Number of tables = 5 : 1
⇒ Number of tables : Number of people = 1 : 5
