3 A box of cereal states that there are 78 calories in a 3/4. --cup serving. What is the unit rate for calories per cup? How many calories are there in 3 cups of the cereal? The unit rate is calorie(s) per cup. (Simplify your answer. Type an integer, proper fraction, or mixed number.) There are calories in 3 cups of the cereal. (Simplify your answer. Type an integer, proper fraction, or mixed number.)​