brittanytooia brittanytooia

12-04-2016
Mathematics

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

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ChloeMJoy ChloeMJoy

12-04-2016

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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