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Answer:
1 : 2
Step-by-step explanation:
Rectangular prism
Faces = 6
Up and bottom ; right and left ; front and back . So total 6 faces.
Edges: Two faces meet at an edge.
Edges = 12
Face :Edges = 6 : 12
= 6÷6 : 12÷6
= 1 : 2