According to Automobile Association of a Country,on March 27,2009,the National

Multiple Choice

According to automobile association of a country,on March 27,2009,the national average price per gallon of regular unleaded (88-octane) gasoline was $2.08,and the price of premium unleaded (93-octane) gasoline was $2.27.Write an objective function that models the cost of the blend of mid-grade unleaded gasoline (89-octane) .What is the optimal cost? ​

A) $2.23/gal
B) $1.66/gal
C) $2.12/gal
D) $3.12/gal
E) $3.23/gal