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Helpppppp In 1972 federal vehicle emission standards allowed 3.4 hydrocarbons released per mile driven. By 2007, the standards allowed 0.8 hydrocarbons per mile driven. What was the rate of change from
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Helpppppp

In 1972 federal vehicle emission standards allowed 3.4 hydrocarbons released per mile driven. By 2007, the standards allowed 0.8 hydrocarbons per mile driven. What was the rate of change from 1972 to 2007?

User Arye Rosenstein
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1 Answer

4 votes
your answer is
0.074
User Pawel Krakowiak
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