Answer A and B please

According to the nutritional Information on a package of General Mill's Honey Nut Cheerios brand cereal, each 1 ounce serving of Cheerios contains 3 grams protein and 24 grams carbohydrates, * Each half-cup serving of enriched skim milk contains 4 grams protein and 6 grams carbohydrates. (Use matrix Inverses to find the solutions.) (a) I am planning a meal of cereal and milk and I want it to supply 30 grams of protein, and 84 grams of carbohydrates. How should I prepare my meal? Cheerios 1 ounce serving(s) milk half-cup serving(s) (b) If I require A grams of protein and 8 grams of carbohydrates, give a formula that tells me how many servings of milk and Honey Nut Cheerios to use. Cheerios milk