Logan Manufacturing wants to mix two fuels, A and B, for its trucks to minimize cost. It needs no fewer than 3,000 gallons to run its trucks during the next month It has a maximum fuel storage capacity of 4,000 gallons. There are 2,000 gallons of fuel A and 4,000 gallons of fuel B available. The mixed fuel must have an octane rating of no less than 80.
When fuels are