Practice Test 2

Let $E$ = expected number of visitors next year (people) and let $S$ = predicted seat shortages next month (events).

Let $t$ = time since opening (minutes), let $E$ = number of people entering per 30 minutes (people/30 min), let $O$ = number of computers in use at a time (computers), let $S$ = number of seats occupied at a time (seats).

Let $m$ = most interesting book title (text), let $c$ = cover color of books (colors), let $h$ = how quiet it feels (no units).

Let $t$ = time, let $b$ = busy, let $p$ = people.