Mathematics, 23.07.2019 08:00 makayyafreeman

The average cost of online photos decreases from 0.50 per print to $0.15 per print between 2002 and 2009. find the average rate of change in the cost. explain what it means

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The average cost of online photos decreases from 0.50 per print to $0.15 per print between 2002 and...