Question 1173501
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Accounting for the 20% reduction and 15% taxes, Antoine will pay


    (1-0.2)*(1+0.15)*325 = 0.8*1.15*325 = 299 dollar.


Saving $30 per week, he needs  {{{299/30}}} = 10 weeks   (rounded).   <U>ANSWER</U>
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Solved and explained.