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   | Two-tiered GST system | 2015-03-14 |  
  |  | Ruby pose la question : This question showed up in one of my Math assignments and nothing on the internet seemed to help me find a way to calculate it.
 
 A certain country has a two-tiered GST system. For the first $1500 of any item, GST is levied at 10% and any amount over $1500 is levied at 15%.
Determine the amounts that give the following GSTs.
 a) $350
 b) $780
 Penny Nom lui répond.
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