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
Answer: C
Mathematics
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