Joshua is a waiter at a restaurant. Each day he works, Joshua will make a guaranteed wage of $30, however the additional amount that Joshua earns from tips depends on the number of tables he waits on that day. From past experience, Joshua noticed that he will get about $5 in tips for each table he waits on. How much would Joshua expect to earn in a day on which he waits on 15 tables? How much would Joshua expect to make in a day when waiting on t tables?
Total Earning with 15 tables:____
Total Earnings with t tables:_____