Answer:
Gas mileage is 17.29
Step-by-step explanation:
Given data:
The total number of the model is 35
The total size of the engine is 5 ltr
The regression model is given as

From the information given in question we have
Regression equation is : model- mpg

Therefore for engine capacity of 5 liters;
Gas mileage

Gas mileage is 17.29