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December 20, 2014

Homework Help: Math

Posted by Sherkyra8645 on Monday, December 13, 2010 at 8:12pm.

1). In 1968, vehicle emision standards allowed 6.3 hydrocarbons released per mile driven. By 1980, the standards allowed only 0.41 hydrocarbons per mile driven. What was the rate of change from 1968 to 1980?

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