The manager of a store that specializes in selling to decides to experiment with a new blend. She will mix some Earl Grey tea that sells for $5 per pound with some Orange Pekoe tea that sells for $3 per pound to get 800 pounds of the new bland. The selling price of the new blend is to be $3.50 per pound, and there is to be no difference in revenue from selling the new blend versus telling the other types. How many pounds of the Earl Grey tea and Orange Pokoe too are required?
The blend should have __ pounds of Earl Grey and __ pounds of Orange Pokoe.