From 2010 to 2012, the average selling price of tablets decreased by 30% This percent reduction amounted in a decrease of $198

Question

From 2010 to 2012, the average selling price of tablets decreased by 30% This percent reduction amounted in a decrease of $198 Find the average selling price of tablets in 2010 and in 2012
In 2010, the average selling price was $ and in 2012, the average selling price was

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