Math 6A, Lesson 7, Spring 2017, 4/2/2017
1. Average Rate
- Rate involves two quantities and it is usually expressed as one quantity per unit of another quantity.
- $/oz, mile/gal, words/min, $/sq.ft, $/hour
2. Speed, uniform/constant speed and average speed
- Speed = (distance traveled) / (time taken)
- Average Speed = (total distance traveled) / (total time taken)
3. Conversion of units
- km/hr → m/s → miles/hr
- $/inch → $/ft
- $/ticket → euro/ticket
4. Home Work:
- Page 34: 5, 6, 7, 8, 9, 10
- Page 35: 11, 12, 13, 14, 15, 16, 17
- Page 36: 18, 19, 20, 21, 22