Alonso is a waiter at a restaurant. Each day he works, Alonso will make a guaranteed
wage of $30, however the additional amount that Alonso earns from tips depends on
the number of tables he waits on that day. From past experience, Alonso noticed that
he will get about $8 in tips for each table he waits on. How much would Alonso
expect to earn in a day on which he waits on 20 tables? How much would Alonso
expect to make in a day when waiting on t tables?