A contestant in a weight-loss competition wants to lose an average of at least 8 pounds per month during a five-month period. Based on the progress report, how many pounds must the contestant lose in the fifth month to meet the goal? Must include a let statement and expression. In the first month the contestant lost 12 pounds in the 2nd they lost 9 in the 3rd lost 5 and in the 5th lost 8.