Massimo measures the height of 10 of his friends as follows (in centimeters): 111, 158, 117, 150, 145, 147, 126, 141, 140 and 113 What is the average of their heights?
Mr. and Mrs. Bhattacharya went to theatre with their 5 children. The children were charged with half of the entrance fee. If the total fee charged was €45, what is the entrance fee for each adult?