Notes:
Unit 5 Lesson 5 (added on post office problem) (finished)
Unit 5 Lesson 6 (didn't get to textbook portion)
Classwork: Unit 5 Lesson 5 (finished)
Homework: Unit 5 Lesson 5 (due Tuesday, because Monday is holiday)
https://docs.google.com/document/d/151xEtAAydujDMMhsWsQjAH7_3jlcngs2p3UCkaqpo8g/edit?usp=sharing