Evan Jurrens writes test items for an online science educational software company. He gets paid $20 per chapter plus $0.75 per test item. For chapter 1, Evan wrote 32 test items. For chapter 2, he wrote 40 test items, and for chapter 3, he wrote 36 test items. What are Evans gross earnings for each chapter? What are his gross earnings for the three-chapter unit?

16.Total number of chapters:

17.Total number of questions written:

18.Gross earnings for each chapter:

19.Gross earnings for the unit: