Mark has a postcard with a width of 3 1/3 inches. He wants to enlarge the postcard by a factor of 9 1/2 to make a poster. Which of the following is true? A. The poster will have a width of 38 inches. B. The poster will have a width of 28 1/2 inches. C. The poster will have a width of 31 2/3 inches. D. The poster will have a width of 1/6 inches. PLEASE HELP