According to automobile association of a country, on March 27, 2009, the national average price per gallon of regular unleaded (87-octane) gasoline was $2.07, and the price of premium unleaded (90-octane) gasoline was $2.25. Write an objective function that models the cost of the blend of mid-grade unleaded gasoline (89-octane).
?
A. C = 2.25x - 2.07y
B. C = 87x + 89y
C. C = 2.07x + 2.25y
D. C = 87x + 90y
E. C = 90x + 89y
Answer: C
Mathematics
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