Alan already baked five cakes and he can bake one cake with each additional stick of butter he buys with 10 additional sticks of butter how many total cakes can hour to bake

With 10 more butter sticks Alan can bake 15 cakes if I'm not mistaken

C.integer, rational number

Integers - The set of natural numbers, their opposites, and zero {...-2, -1, 0, 1, 2...}

Rational numbers - because the set of integers and all the other numbers that can be expressed as a fraction. For example, 3, -0.39, and  are all rational numbers