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OpenStudy (anonymous):
The average price of a certain brand of new television dropped from $3,000 in January to $2,400 in September. Find the rate of change in the average price of the television. (
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OpenStudy (anonymous):
Usually, rate is defined as the ratio of change of two quantities. So here it would be 3.000-2400= $ 600 over the period of 8 months ( Jan to Sep). which is $75/month (600/8)
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