Acoffee mixture has beans that sell for $1.35 per pound and beans that sell for $1.05 per pound. if 120 pounds of beans create a mixture worth $1.15 per pound, how many pounds of each bean is used? a) 50 lb of $1.35/lb; 70 lb of $1.05/lb b) 40 lb of $1.35/lb; 80 lb of $1.05/lb c) 45 lb of $1.35/lb; 75 lb of $1.05/lb