Answer: Yes, both the ratio of the models to mention equivalent to the ratio of the real sofas dimension.
Explanation:
Since we have given that
Length of model sofa = 16 inches
Depth of model sofa = 7 inches
So, Ratio of model sofa would be

Length of real sofa = 80 inches
Depth of real sofa = 35 inches
So, ratio of real sofa would be

Hence, Yes, both the ratio of the models to mention equivalent to the ratio of the real sofas dimension.