Chapter 4.1, Problem 6MP

Dennis wants to use cottage cheese and yogurt to increase the amount of protein and calcium in his daily diet. An ounce of cottage cheese contains $3$ grams of protein and $15$ milligrams of calcium. An ounce of yogurt contains $1$ gram of protein and $41$ milligrams of calcium. How many ounces of cottage cheese and yogurt should Dennis eat each day to provide exactly $62$ grams of protein and $760$ milligrams of calcium?