A group of 7 UTP1 students at the ICM have an average age of 18 years, and a group of 18 UTP 2 students at the ICM have an average age of 18.6 years. When the UTP 1 and UTP 2 students are combined into one group, what will the average age in that group be? Give your answer to 2 decimal places. Answer: l' Sarah writes the MCAT (an admissions test for medical school), along with a group of6178 other applicants. She is informed that her test score is in the 84th percentile. Thus, approximately how many people performed worse than Sarah on the MCAT? Round your answer to the nearest whole number