Warren is making trail mix to keep in his cupboard as a snack. He makes his usual recipe, but then decides to put some peanuts and almonds in the mix. If he adds p cups of peanuts and a cups of almonds, then the total number of cups of trail mix he makes will be 10+p+a. Warren adds 2 cups of peanuts and 1 cup of almonds.
How many cups of trail mix did Warren make?