In a sale , a shop reduces all its prices by 15% (a)Calculate the sale prices of a television originally costing $630. (b) The price of a fridge in the sale is $932 , calculate the original price. (c) after one week the shop reduces the price of the television in part (a)by a further 5% each week until it is sold. Calculate the number of weeks from the start of the until the television reaches half the original price .
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II don't understand,??
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