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But first………...  A rate is a comparison between two quantities of different kinds.  Km per hour  Rpm = revolutions per minute  Liters per gallon.

Published byRoss Jemmott Modified over 10 years ago

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Presentation on theme: "But first………...  A rate is a comparison between two quantities of different kinds.  Km per hour  Rpm = revolutions per minute  Liters per gallon."— Presentation transcript:

1 But first………..

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5  A rate is a comparison between two quantities of different kinds.  Km per hour  Rpm = revolutions per minute  Liters per gallon  Often represented as a fraction

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13  Sound familiar?!?!??  Slope!

14  Find speed of hair from A to B, B to C and C to D.  Find speed of tortoise (average speed)

15  New tires have a tread depth of 8mm. After driving for 32 178 km the tread depth was reduced to 2.3mm. What was the wearing rate of the tires in  a. Mm per km traveled?  b. cm per 10 000 km traveled?

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