Bill is trying to plan a meal to meet specific nutritional goals. He wants to prepare a meal containing rice, tofu, and peanuts that will provide 218 grams of carbohydrates, 290 grams of fat, and 237 grams of protein. He knows that each cup of rice provides 48 grams of carbohydrates, 0 grams of fat, and 5 grams of protein. Each cup of tofu provides 6 grams of carbohydrates, 6 grams of fat, and 24 grams of protein. Finally, each cup of peanuts provides 35 grams of carbohydrates, 65 grams of fat, and 28 grams of protein. How many cups of rice, tofu, and peanuts should he eat?