The pie charts below show the percentage of students on the one adult education center taking a various courses offered in 1985 and this year.

The given pie charts compare the proportions of students at an educational center for adults offering a variety of courses in 1985 and this year. Overall, the percentage of students in each course varies over the period. In addition, the center has excluded two specific courses and introduced a new one this year. In 1985, […]