Math 6A, Lesson 9, Spring 2018, 4/8/2018

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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:

  • Handout:
    • Three pages
  • Workbook:
    • Page 34: 5, 6, 7, 8, 9, 10
    • Page 35: 11, 12, 13, 14, 15, 16, 17
    • Page 36: 18, 19, 20, 21, 22

 

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