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13 September, 18:06

The price of an item has dropped to $102 today. Yesterday it was $120. Find the percentage decrease.

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  1. 13 September, 18:29
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    Using cross multiplication, 102/120=x/100 - - - > 120x=10200 divide the entire problem by 120 - - - > 85. 102 is 85% of 120, so the item has dropped in price by 15%
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