Can someone help me with this question

15 points ! ~ see if you know the answer to both you!

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.