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Published byRoss Jemmott Modified over 2 years ago

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But first………..

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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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Sound familiar?!?!?? Slope!

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

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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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