The following is a supermarket promotion price comparison table: induction cooker, the original price of 400, the current price of 320, TV, the original price of 2000, the current price of 168 The following is a comparison table of the promotion prices of a supermarket Induction cooker, original price 400, current price 320 TV set, original price 2000, current price 1680 (1) How much has the price of induction cooker been reduced (2) How much has the price of TV set been reduced

1-（320/400）=20%
1-(1680/2000)=16%

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