Carly is training for an upcoming fitness competition and is trying to
find a breakfast combination that meets her nutritional requirements
of 950 calories and 25 grams of protein. One serving of her cereal of
choice has 200 calories and 2 grams of protein. Her favorite brand
of peanut butter contains 180 calories and 8 grams of protein per
serving.
a. Write an equation that relates the number of servings of cereal and
the number of servings of peanut butter to the total number of
calories she needs for breakfast.