Kaj is a waitress at a restaurant. Each day she works, Kaj will make a guaranteed wage of $30, however the additional amount that Kaj earns
from tips depends on the number of tables she waits on that day. From
past experience, Kaj noticed that she will get about $11 in tips for each
table she waits on. How much would Kaj expect to earn in a day on
which she waits on 11 tables? How much would Kaj expect to make in a
day when waiting on t tables?