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An appliance store sells a​ 15" TV for ​$250 and a​ 19" TV for ​$500. During...

An appliance store sells a​ 15" TV for ​$250 and a​ 19" TV for ​$500. During a​ one-week period the store sold 8 more​ 19" TVs than​ 15" TVs and collected ​$23 comma 500. What was the total number of TV sets​ sold?

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