Andy and Sam are saving money to go on their senior trip. The amount of money that Andy will have at the end of each week, w, ca
n be expressed at A(w) = 20w + 300. The amount of money that Sam will have at the end of each week, w, can be expressed at S(w) = 15w + 400. They have decided to combine their savings accounts. Write a function that expresses the total amount, T(w) they have in their savings account at the end of each week.