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Which is a better deal on a $345 item; 40% off or 30% off and additional 15% at the register

Guest Mar 10, 2017
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x = original price of item

option a   40% off means you pay .6 x   .6 x 345 = $207

option b   30% off with 15% off that price at register

      means you pay .7 * .85 x = .595 x = .595 (345) =  $205.27

 

Option b is slightly better.  

ElectricPavlov  Mar 10, 2017
edited by ElectricPavlov  Mar 10, 2017

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