OPTIMAL COST Regular unleaded gasoline and premium
Chapter , Problem 103(choose chapter or problem)
OPTIMAL COST Regular unleaded gasoline and premium unleaded gasoline have octane ratings of 87 and 93, respectively. For the week of March 23, 2009, regular unleaded gasoline in Houston, Texas averaged $1.85 per gallon. For the same week, premium unleaded gasoline averaged $2.10 per gallon. Determine the blend of regular and premium unleaded gasoline that results in an optimal cost of mid-grade unleaded (89-octane) gasoline. What is the optimal cost?
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