Since the Mid-Term Exam is on March 7, you may want to keep copies of your solutions. Take advantage of all the information you can get. More detailed solutions wioll be available on the World Wide Web site when I get time to put them there. All from Chapter 16. Figure 16-21 in the textbook is actually this exercise.
Image is real, inverted and reduced in size.
Image distance is -13.33 cm. Time delay is 1.25 s.