Each gallon of regular gasoline must contain at least 40% of ingredient A, whereas each gallon of high octane can contain at most 50% of ingredient B. Daily demand for regular and high-octane gasoline is 800,000 and 500,000 gallons, respectively. How many gallons of each type of crude oil should be used in the two gasolines to satisfy daily demand at a minimum cost

Gdp has grown in a country at 3% per year for the last 20 years. the labor force has grown at 2% per year and the quantity of physical capital has grown at 4% per year. a 1% increase in average physical capital per worker (other things equal) raises productivity by 0.3%. average education has not changed. how much has growing physical capital per worker contributed to productivity growth in this country? choose the correct answer from the following choices, and then select the submit answer button. answer choices 0.3% 0.6% 3.0% 6.0%