Image caption, To find the mean age, use a calculator to divide the total age of all the children (168) by how many children there are (15). 168 ÷ 15 = 11.2. The mean age is 11.2 years old.

Yes, Hongkongers who love to drink. But we also know that sometimes a good drink can mean paying big bucks. But luckily, there are also drinking spots in town that offer happy hour deals to welcome ...