Edy is about to take a test in which short-answer questions worth 4 points each and word problems worth 7 points each. Edy must do at least 5 short-answer questions, but time restricts doing more than 10. She must do at least 3-word problems, but time restricts doing more than 10. Edy can do no more than 18 questions in total. How many of each type of questions in total. How many of each type of question should Edy do in order to maximize her score? What is the maximum score?