The literary lion book store has a coffee bar that sells its own blend of coffee. Each morning the manager mixes up 120 pounds of the special blend to sell to his customers. The coffee is a mixture of columbian coffee selling for $5.00 per pound and brazilian coffee selling for $8.00 per pound. The mixture sells for $7.00 per pound. How many pounds of brazilian coffee is in the 120 pound mixture?

Respuesta :

5.00 + 8.00 = 13.00 + 7.00 = 20.00 pounds