Carla volunteered to make pizza for a bake sale, she bought two pounds of cheese and six pounds of dough. She spent $20.00 at the store for her ingredients. After making the pizzas she thought they looked good and would make more. She went back to the store and bought one more pound of cheese and five more pounds of dough and spent a total of $15.00. How much did each pound of cheese cost and how much did each pound of dough cost?