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The manufacturing cost of a cell phone was $124. Sellers first marked up the cost by 20 percent. Sales were poor, so sellers decreased the markup to 15 percent. Calculate the old and new selling prices.



Answer :

mumsy
if the phone costs $ 124 ,and first was marked up by 20 % it means that it was for sale for
124+(124*20)100=124+24.80= $148.80
if the seller decreased the mark up to 15% then the phone costs now
124+(124*15)/100=124+18.60= $ 142.60

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